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
65816327Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 274
P-1
B1 = 590000
B2 = 11947500
LL
StatusDateUserResidueShift
Verified2013-11-20SpartaAlumniBF659F4918C3FBA232986300
Verified2023-03-08Smok_bmv BF659F4918C3FBA231957267
History
DateUserTypeResult
2024-06-01LaurVNF
no factor from 2^70 to 2^71
2024-06-01LaurVNF
no factor from 2^69 to 2^70
2023-03-08Smok_bmv C-LL
BF659F4918C3FBA2
2021-08-08Richard ThomasNF
no factor from 2^75 to 2^76
2021-07-21Richard ThomasNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^63
2013-11-20SpartaAlumniC-LL
BF659F4918C3FBA2
2013-08-18Scott HemphillNF-PM1
B1=590000, B2=11947500, E=12
2013-08-10Jerry HallettNF
no factor from 2^73 to 2^74
2013-08-06Jerry HallettNF
no factor from 2^72 to 2^73
2013-05-08Jerry HallettNF
no factor from 2^71 to 2^72
2013-04-25Carsten KossendeyNF
no factor from 2^70 to 2^71
2013-04-25Carsten KossendeyNF
no factor from 2^69 to 2^70
2009-12-23SAHS Tech DeptNF
no factor from 2^68 to 2^69
2009-03-31Sturle SundeNF
no factor from 2^67 to 2^68
2009-03-30Sturle SundeNF
no factor from 2^66 to 2^67
2009-03-29David BarleyNF
no factor from 2^65 to 2^66
2009-03-26HighFlyingPrimesNF
no factor from 2^64 to 2^65
2009-01-23Wojciech FlorekNF
no factor from 2^63 to 2^64