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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
68962921Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 11470000
LL
StatusDateUserResidueShift
Unverified2014-02-03Schultz76761050F4D822515E__27167597
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-04-02Mirra5CDE8A26E2285912013
History
DateUserTypeResult
2024-04-03Chun sung sooCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-04-02MirraC-PRP
5CDE8A26E2285912
PRP proof power = 8
PRP: Verified
Proof certified good
2019-12-29Mark RoseNF
no factor from 2^74 to 2^75
2014-02-03Schultz7676C-LL
1050F4D822515E__
2013-12-12Squeeky_SquirrelNF-PM1
B1=620000, B2=11470000
2013-12-03Jerry HallettNF
no factor from 2^73 to 2^74
2013-11-30gcardonaNF
no factor from 2^72 to 2^73
2013-11-30gcardonaNF
no factor from 2^71 to 2^72
2012-09-26Bold_SeekerNF
no factor from 2^70 to 2^71
2012-03-16Choi4KANGNF
no factor from 2^69 to 2^70
2010-04-29symalladNF
no factor from 2^68 to 2^69
2010-04-22symalladNF
no factor from 2^67 to 2^68
2010-04-19symalladNF
no factor from 2^66 to 2^67
2010-04-14sasaki3NF
no factor from 2^65 to 2^66
2010-04-09jyriNF
no factor from 2^64 to 2^65
2009-02-091997rj7NF
no factor to 2^64