Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
64387151TF
No factors below 275
TF target 274
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Bad2013-10-03NurpuriA4CA7797D82892C954689979
Verified2021-10-24riccardo ubertiE47A4C591605EB9413324812
Bad2021-10-28KrieselCA67EB344BA05BBF0
Verified2021-11-01MadPooE47A4C591605EB9417565314
History
DateUserTypeResult
2021-11-01MadPooC-LL
E47A4C591605EB94
2021-10-28KrieselC-LL
CA67EB344BA05BBF
2021-10-24riccardo ubertiC-LL
E47A4C591605EB94
2021-10-06riccardo ubertiNF-PM1
B1=1000000, B2=30000000
2019-09-12Sid & AndyNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-10-03NurpuriC-LL
A4CA7797D82892C9
2013-06-17HBendtzNF-PM1
B1=580000, B2=11455000, E=12
2013-05-14Sebastian HornbostelNF
no factor from 2^73 to 2^74
2013-05-13Sebastian HornbostelNF
no factor from 2^72 to 2^73
2013-05-13Sebastian HornbostelNF
no factor from 2^71 to 2^72
2013-05-13Sebastian HornbostelNF
no factor from 2^70 to 2^71
2009-04-04Adel El-AtawyNF
no factor from 2^69 to 2^70
2009-03-21Adel El-AtawyNF
no factor from 2^68 to 2^69
2009-03-09Adel El-AtawyNF
no factor from 2^67 to 2^68
2009-03-08Adel El-AtawyNF
no factor from 2^66 to 2^67
2009-03-08Adel El-AtawyNF
no factor from 2^65 to 2^66
2009-03-08Adel El-AtawyNF
no factor from 2^64 to 2^65
2009-03-07Adel El-AtawyNF
no factor from 2^63 to 2^64