Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-06-24 14:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	Slovakia	595221038	⬆ 1				0.1	98.6	0.1		1.2
2	GIMPS.Russia	406370010	⬇ 1				0.4		0.1		99.5
3	Ars Technica Team Prime Rib	135155419	⬆ 3	⬆ 1				99.2		0.8
4	PrimeNet	122329257	⬇ 1	⬆ 1			0.2	98.1	0.7	1.0	0.1
5	POLAND	111655028	⬇ 1	⬇ 2			0.9	95.6	0.5	0.1	2.9
6	-Too many Ones-	30135446	⬇ 1				0.1	49.9			50.0
7	GIMPSChina	21070832	⬆ 1				62.0	22.3	4.2	0.6	10.8
8	Team#1	20745932	⬆ 7				2.1	18.4	48.9	28.4	2.2
9	GW's legions	13891596	⬆ 2					0.8	37.5	1.7	60.0
10	UCM-curtisc	11806271	⬆ 3						99.3	0.7
11	Team-Deutschland	11584847	⬆ 1				2.7	56.8	0.9	0.1	39.3
12	More Power!!!	10516137	⬇ 3				17.1	69.8	2.7	2.3	8.2
13	Numberphile	8513085	⬆ 6	⬆ 4	⬆ 3		4.8	21.7	7.5	2.1	63.8
14	TeamUK	7017749					48.5	2.6	19.9	1.6	27.4	0.1
15	Porta Kruse	6374641	⬆ 1				2.0	0.5			91.2	6.2
16	One Man Team	6203032	⬇ 6	⬇ 3	⬇ 3			99.0	1.0
17	GPU to 72	4838217		⬇ 1			51.4	28.4	0.5	3.9	15.6
18	tsc	3340142	⬆ 2	⬆ 1	⬆ 1		63.6	3.0	1.0	0.3	32.0
19	UW Eau Claire	3244738	⬆ 4	⬇ 1	⬇ 1		90.0		7.3	2.7
20	UKRAINE	2478266	⬆ 1	⬆ 1			10.3	6.4	71.8	11.4
21	Argentina	2431014	⬆ 48	⬇ 1			91.6		8.4
22	Wikipedia	1927402		⬆ 1			57.6	34.6	4.7	2.1	0.8
23	SpongeBob SquarePants	1573140	⬇ 5	⬇ 1				30.5	58.8	10.7
24	GIMPS.Korea	1313952	⬆ 5	⬆ 2			88.2	4.8	3.9	0.9	2.1
25	GIMPS.Occitania	1202783	⬆ 3					4.4				95.6
26	Swedes Of Primes	1160460		⬇ 2			1.2	78.9	16.9	3.1
27	Dutch Power Cows	1106274	⬇ 3				43.2	10.7	2.0	2.4	41.7
28	MBAi.Cloud	834349	⬆ 2						99.9	0.1
29	MATHSareREAL	578886	⬆ 2	⬆ 1			96.2		2.5	1.3
30	Buhr	503950	⬆ 5	⬆ 2			53.2	4.6	16.6	5.2	20.3
31	citizenscience.ru	459018	⬆ 2		⬆ 1		87.7	2.7	5.0	0.9	3.3	0.4
32	404 - "Primes not Found"	452561	⬆ 13	⬆ 7	⬆ 2		85.9		14.0	0.1
33	GIMPS.USA	391228	⬇ 8	⬆ 9	⬆ 7		37.2	39.7	16.5	4.4	1.9
34	GIMPS.Japan	388123	⬇ 7	⬇ 1	⬇ 1		30.0		32.2	9.9	27.7
35	Colorado School of Mines	380636	⬆ 4	⬆ 2	⬆ 1		91.3		7.5	1.2
36	Rechenkraft.net	374683	⬇ 2	⬇ 2	⬇ 1		0.8	51.5	6.2	6.7	34.9
37	Terry Kim Team	370083	⬇ 1	⬇ 2		⬆ 1	95.6		3.3	0.7
38	MOXA	355593	⬇ 6	⬇ 2		⬆ 1	99.1		0.7	0.2
39	unRAID	337076	⬇ 32	⬇ 10	⬇ 8	⬇ 2		72.0	25.3	2.1	0.6
40	S485122	304467	⬇ 3	⬇ 2	⬇ 1			95.0		5.0
41	Smoke-it	264218	⬇ 3	⬇ 1			90.5	7.2	1.8
42	YahsTeam	246125	⬇ 1	⬆ 1			88.3		9.3	2.4
43	nranks	237318	⬆ 1	⬇ 2			31.1	0.5	3.0	0.4	65.0
44	NanJing Tech	212141	⬆ 20	⬆ 2	⬆ 1		24.6		71.9	3.5
45	NerdyGirls	205280	⬇ 3	⬇ 1	⬇ 1			41.4	7.1	51.5
46	GIMPS Team Philippines	201495	⬇ 3	⬇ 1			52.1		9.8	1.6	32.4
47	Canada	192339	⬇ 1				7.3	1.7	64.8	26.1
48	Team Tartan	175474	⬇ 1						76.8	23.2
49	OverclockerAustralia	148668	⬇ 1				59.1		16.2	21.0
50	GIMPS.NZ	133543	⬆ 2				79.8	0.1	10.6	9.4	0.1
51	Team China	127987							99.7	0.3
52	Unicamp	126522	⬆ 1				68.5		27.5	4.0
53	GIMPS.France	117158	⬆ 3	⬆ 1			9.5	68.4	4.8	5.3	11.8
54	IOTA	110064	⬆ 19	⬆ 3			95.4		3.1	1.5
55	SASAKI	98694	⬇ 1				100.0
56	AMD Users	95438	⬆ 6	⬆ 4	⬆ 1		48.9	0.6	10.0	40.1	0.4
57	GIMPS.Portugal	91831	⬆ 51	⬆ 1	⬇ 1		49.9	47.7		2.4
58	UIUC	87348	⬆ 2	⬆ 4	⬆ 2	⬆ 1			67.3	32.7
59	GIMPS China	87279	⬇ 10	⬇ 3	⬇ 1	⬇ 1	87.2		7.1		5.4
60	Wisconsin	84572	⬇ 3	⬆ 1	⬇ 1		38.7		31.6	29.7
61	SHADO	80023	⬇ 2	⬆ 4					62.9	18.3	11.3	1.5
62	Wile E. Coyote	77826	⬆ 6	⬆ 5	⬆ 1				75.3	0.4	24.3
63	Net-Work	75258	⬇ 2	⬆ 1	⬆ 1		5.5	2.1			84.5
64	Eratosthenes Sieve	74615	⬇ 1	⬆ 2	⬆ 1	⬆ 1	0.7		95.4	3.8
65	BitMEX Research	74324	⬇ 15	⬇ 6	⬇ 3	⬇ 1			95.7	4.3
66	randomteam	71704	⬇ 26	⬇ 13	⬆ 1						100.0
67	Cap'n Entropy's Cavalcade of Wonderment	70876	⬇ 9	⬇ 4	⬇ 1		70.7	7.5	18.8	3.0
68	VIPR	69411	⬆ 24	⬆ 11	⬆ 2		90.5		6.8	2.4
69	Esperanto	66957	⬇ 4		⬇ 1			25.9	4.8	69.1	0.2
70	Team Israel	65633	⬆ 2	⬆ 3	⬇ 1		97.2		2.4	0.4
71	S147127	64503	⬆ 4				31.0		21.2	47.8
72	ParadoxZ Commando	62963	⬇ 1						72.7	27.2
73	AJ	59936	⬇ 6	⬇ 3					74.2	25.8
74	Team_Italia	55289	⬇ 4	⬆ 1	⬆ 1	⬆ 1	3.2	0.6	64.8	25.0	2.6	3.0
75	EgyptianPolymaths	55169	⬇ 20	⬇ 7	⬇ 1	⬇ 1		78.2			2.4
76	Hungary	52997	⬇ 10	⬇ 2					4.6	1.4	93.9
77	Brno University of Technology	48253	⬇ 1	⬇ 1				8.2	73.4	18.4
78	ComputerraRU	43298	⬇ 1	⬇ 1			23.8		72.4	3.8
79	GIMPS.NEO	41655	⬇ 5	⬇ 1					78.6	21.4
80	Team Belgium	39488	⬇ 2		⬆ 1		1.4	2.4	34.1	25.1	37.0
81	Turku	36285		⬆ 1	⬆ 1				100.0
82	Team Viet Nam	36031	⬇ 2	⬇ 1	⬇ 2		33.9		36.9	29.2
83	huskers-gimps	35929	⬆ 3	⬆ 1	⬆ 1				74.5	25.5
84	HardOCP	35341	⬇ 1	⬇ 1	⬇ 1				70.7	29.3
85	Debian	33368	⬇ 1	⬆ 1		⬆ 1			98.2	1.8
86	Hermessz	33161	⬆ 1	⬆ 2	⬆ 2	⬆ 1	64.4		35.6
87	ᕙ(⇀‸↼‶)ᕗ	33132	⬆ 4		⬇ 1	⬇ 2	0.6		98.9	0.4
88	Team H	32945	⬇ 3	⬇ 3	⬇ 1		13.3		86.1	0.6
89	baraCUDA	29906	⬆ 135						100.0
90	Small-Team-2000	28399	⬇ 1						5.5	94.5
91	Channel 4	27356	⬆ 4	⬆ 2					81.6	18.4
92	The Fellowship of Infinity	26562	⬆ 2						99.5	0.5
93	MurrayInfoSys	24910	⬆ 4	⬆ 1	⬆ 1				65.6	34.3
94	Costa Rica	24810	⬆ 2	⬆ 1	⬆ 1				76.2	23.5
95	socal_prime	24671	⬇ 5	⬇ 4	⬇ 2				73.0	26.8	0.1
96	Aiblspitz	23293	⬆ 23	⬆ 6			0.1	80.3	6.8	12.7
97	Georgia Tech	20319	⬆ 7	⬆ 1					100.0
98	A Single Engineer	18488	⬆ 2	⬆ 2					75.8	24.2
99	Team Retired	18202	⬇ 1						30.1	11.7
100	PrimitiveRootsCircle	17512	⬇ 1	⬆ 4		⬆ 1	15.0		54.3	28.0	2.8
101	GIMPS Romania	17357	⬆ 43	⬆ 2		⬆ 1	74.1		22.9	3.0
102	SpartaAlumni	16767	⬇ 1	⬇ 1		⬇ 2			74.8	25.2
103	LimePrime	16704	⬇ 10	⬆ 2				8.5	80.4	11.1
104	Com Systems (RU)	15810	⬆ 19	⬆ 4					69.2	30.8
105	MES-Team	15000	⬇ 17	⬇ 9			70.0	6.9		23.1
106	Spain	14266							71.5	28.5
107	NUST	14223	⬆ 3				16.4	74.6	5.9	3.0
108	TurkishMath	13636	⬆ 25	⬆ 6					88.7	11.3
109	RobotechResearch	13384	⬆ 17	⬆ 6	⬆ 1				47.8	52.2
110	moeses	12573	⬆ 7		⬇ 1				99.1	0.9
111	Nerdfighters for Mersenne Primes	12208	⬇ 6		⬆ 1	⬆ 1			90.4	9.6
112	Ozzie Prime	12173	⬇ 10	⬇ 3	⬇ 1	⬇ 1		0.7	38.9	15.5		44.9
113	Quantus	12170	⬇ 6	⬇ 1			10.0		13.0	25.1		51.9
114	SETI.Germany	11194	⬇ 5	⬆ 4	⬆ 1			8.5	14.2	77.4
115	FREE ROBUX	10852	⬆ 6	⬆ 4	⬆ 1				100.0
116	Team Slovenia	10728	⬇ 2		⬇ 2				65.4	34.6
117	Royal Military College of Canada	10691	⬆ 5	⬆ 3			89.7		7.9	2.4
118	Team Finland	10532	⬇ 6	⬇ 5			1.5		95.9		2.5
119	Portland State University	10300	⬇ 8	⬇ 2				44.3	40.0	15.7
120	Syntony	9471	⬆ 5	⬆ 2	⬆ 5					100.0
121	University of Waterloo	9422	⬆ 17	⬆ 9	⬆ 1				97.1	2.9
122	JiBoTeam	9101	⬆ 10	⬆ 6	⬆ 2	⬆ 1				100.0
123	LTT fans	9056	⬇ 44	⬇ 26	⬆ 3	⬆ 1	92.5				7.5
124	Granada	8836	⬇ 4	⬇ 3	⬇ 4	⬇ 2	26.0		26.7	46.4
125	Shaffer's Studio	8772	⬆ 5	⬆ 2	⬇ 4				88.9	10.9
126	Die Zeitfinder	8697	⬆ 2	⬆ 3	⬆ 2				91.1	8.9
127	GIMPS.Taiwan	8586	⬇ 11	⬇ 3	⬇ 4				84.5	14.8	0.1
128	math.auth.gr	8551	⬆ 57	⬆ 5	⬆ 1				100.0
129	Pavlicin	8407	⬆ 95	⬆ 12	⬆ 1		79.7	0.1	20.2
130	Mensa	8400	⬇ 17	⬇ 4	⬇ 3				84.3	15.7
131	FreeBSD	8386	⬇ 2	⬆ 4					75.9	24.1
132	Server66	8015	⬇ 8	⬆ 26	⬆ 12		100.0
133	Triangle	7905	⬇ 2	⬇ 1	⬆ 2				98.9	1.1
134	Prime Rib	7369	⬆ 7	⬆ 4	⬇ 2				96.6	3.4
135	Abacus	7132	⬇ 1	⬇ 4	⬇ 1				98.9	1.1
136	Team Norway	6820	⬇ 33	⬇ 11	⬇ 3		74.7			7.5	17.5
137	FactorMania	6572	⬆ 20	⬆ 3	⬇ 1			56.9			43.1
138	Brasil	6309	⬆ 2	⬇ 2					74.7	25.2
139	irowiki	6116			⬇ 2					100.0
140	Team Christensen	5979	⬆ 3	⬆ 2	⬇ 1					100.0
141	Arpan Sen Labs	5619	⬆ 33	⬆ 9					51.9	48.1
142	México mágico	5564	⬆ 13	⬆ 1	⬇ 2				85.4	14.6
143	Elisabeth-von-Thadden-Schule	5505	⬆ 2	⬆ 1	⬇ 1				42.1	57.9
144	Morocco	5156	⬆ 44	⬆ 19	⬆ 2	⬆ 1			63.4	36.6
145	KnightLight	5153	⬆ 59	⬆ 1		⬇ 1				100.0
146	The_Dude_Abides	5013	⬆ 3	⬆ 8	⬆ 8		6.2			75.7
147	nmbarek_team	4946	⬆ 1		⬆ 1				99.9	0.1
148	DePaul MAT 141	4934	⬆ 76	⬆ 19	⬆ 2				99.6	0.4
149	Crunching@EVGA	4888	⬆ 7		⬆ 2				99.7	0.3
150	Korea.Prime	4708	⬆ 10	⬆ 1	⬆ 2				66.8	33.2
151	Hong Kong GIMP	4706	⬇ 1	⬆ 1	⬇ 8				66.8	33.2
152	YESHUA IS THE MESSIAH	4648	⬆ 72	⬆ 8	⬆ 1	⬆ 1			99.2	0.8
153	Hyperion	4628	⬇ 26	⬇ 16	⬇ 6	⬇ 1				12.2
154	teamMALI	4158	⬇ 7	⬇ 6	⬆ 1				75.7	24.3
155	Noam Karni Team	3963	⬆ 3		⬆ 1				79.7	20.3
156	Olympic College	3324	⬇ 4	⬆ 1	⬆ 1	⬆ 1				100.0
157	MES22-Team	3277	⬇ 22	⬆ 5	⬆ 1	⬆ 1	100.0
158	Phi Kappa Theta	3152	⬆ 5	⬇ 2	⬆ 1	⬆ 1			51.8	48.1
159	Politeknik Banting, Selangor	3101	⬇ 41	⬇ 14	⬆ 1	⬆ 1	65.4		25.5	9.1
160	Team_Brazil	2999	⬆ 2	⬆ 5	⬆ 1	⬆ 1	83.1	0.2		16.7
161	zeit	2845	⬇ 8		⬆ 1	⬆ 1	8.6			91.4
162	GIMPS.Hong Kong	2650	⬆ 2	⬆ 4	⬆ 2	⬆ 2	2.9		60.9	36.2
163	Furry Primes	2623	⬇ 17	⬇ 4			80.4			19.6
164	Team Splunk	2539	⬇ 27	⬇ 30	⬇ 15	⬇ 8		8.5	91.5
165	Pi Rho	2499	⬆ 1	⬆ 3					67.1	32.9
166	GIMPSMalaysia	2394	⬆ 1	⬆ 3					66.8	33.2
167	CZAsTc	2285	⬆ 17	⬆ 15	⬆ 12				99.7	0.3
168	Kabylie	2240	⬇ 9	⬇ 4			18.4	1.9	34.7	45.0
169	Team Austria	2199	⬇ 87	⬇ 46			12.8	9.5	77.7
170	GIMPS_KS	2199	⬆ 1	⬆ 1					36.5	62.0	1.4
171	VRS_SE	2114	⬇ 3	⬇ 1	⬇ 4				74.6	25.4
172	The Prime Pioneers	1919	⬆ 3		⬇ 1			100.0
173	The Pensis	1869	⬆ 4		⬇ 1					100.0
174	SU Prime Pirates	1587	⬇ 32	⬇ 21	⬇ 1				99.6	0.4
175	San Francisco	1586	⬆ 5	⬆ 2	⬇ 1				100.0
176	hreid	1575	⬆ 21	⬆ 2	⬇ 1				100.0
177	cr_colorado	1549	⬆ 5	⬆ 2	⬇ 1					100.0
178	Obsidian	1542	⬇ 6	⬆ 2	⬇ 1					100.0
179	I Love Canadian Natural Resources	1514	⬇ 14	⬆ 2	⬇ 1					100.0
180	3DCenter.org	1194	⬇ 19	⬇ 5	⬆ 1						100.0
181	Amserver	1066	⬆ 43	⬆ 44	⬆ 35		100.0
182	Join Us 😈	1060	⬆ 16	⬆ 4			66.8			33.2
183	youngfun429	1037	⬇ 47	⬇ 7					75.3	24.7
184	TunisianTeam	1031	⬇ 11	⬆ 3					75.0	25.0
185	Therian Primes	1007	⬆ 4	⬆ 3				14.6		52.4	33.0
186	Czech National Team	903	⬆ 1	⬆ 4			4.1		91.8	0.8	2.0
187	TimE4This	876	⬆ 5	⬆ 4						100.0
188	RafaÅ‚ HacuÅ›	860	⬆ 36	⬆ 4					100.0
189	AWC	801	⬆ 4	⬆ 4					100.0
190	F=dp/dt	797	⬇ 12	⬆ 4					99.6	0.4
191	GIMPS Asturias	794	⬆ 3	⬆ 4					99.6	0.4
192	Weatopians	793	⬆ 3	⬆ 4					99.7	0.3
193	SGDynamo Dresden	595	⬆ 6	⬆ 6	⬆ 1	⬆ 1	100.0
194	GIMPS_IOM	581	⬇ 15	⬇ 9	⬇ 1	⬇ 1	100.0
195	PARG team	563	⬆ 24	⬆ 9						96.2	3.8
196	PrimeObsession	539	⬆ 4	⬆ 4						100.0
197	GIMPS.Romania	422	⬆ 27	⬆ 4	⬆ 1	⬆ 1			100.0
198	His Dark Materials	361	⬇ 12		⬆ 1	⬆ 1					99.8
199	Yurunago	276	⬆ 6	⬆ 6	⬆ 1	⬆ 1				100.0
200	Vegan	275	⬆ 24	⬆ 7	⬆ 1	⬆ 1				100.0
201	Byberg Nordic Prime	265	⬇ 5	⬆ 7	⬆ 1	⬆ 1				100.0
202	FDY	265	⬆ 22	⬆ 7	⬆ 1	⬆ 1				100.0
203	WSU Cougars	259	⬇ 49	⬇ 20	⬇ 23	⬇ 6				99.9
204	Subprime Searches	256	⬇ 28	⬇ 20						100.0
205	GIMPS Hams	253	⬆ 3	⬆ 7				100.0
206	Team Dominik Radler	244	⬇ 4				100.0
207	Optimists Prime	243	⬇ 17	⬇ 4				100.0
208	miiro	240	⬆ 5	⬆ 9			100.0
209	Zorin OS Crew	237	⬇ 26	⬇ 12	⬇ 12					100.0
210	DividerHunt	221	⬇ 1	⬆ 3	⬇ 1		100.0
211	alan145	220	⬇ 20	⬇ 9	⬇ 1		100.0
212	Manri Costa Rica	213	⬇ 2	⬆ 2	⬇ 1					100.0
213	/r/counting	184	⬇ 10	⬆ 3	⬇ 1
214	GIMPS.Peace	122		⬆ 4	⬇ 1		44.7	55.3
215	TeamUbuntu	121		⬆ 4	⬇ 1					100.0
216	sannerud.com	108		⬆ 4	⬇ 1		43.1				19.4	37.5
217	Team Bulgaria	47	⬇ 5	⬆ 4							100.0
218	PROMYS	23		⬆ 4							100.0
219	yfinder	1	⬆ 2	⬆ 4						100.0