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
75396149Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 660000
B2 = 12705000
LL
StatusDateUserResidueShift
Verified2016-09-16Jack The Ripper7EB9A7CF8BE95B1246892422
Verified2025-01-25-Anonymous-7EB9A7CF8BE95B1264061845
History
DateUserTypeResult
2025-01-25-Anonymous-C-LL
7EB9A7CF8BE95B12
2016-09-16Jack The RipperC-LL
7EB9A7CF8BE95B12
2016-04-03Mark RoseNF
no factor from 2^63 to 2^64
2016-02-09wombatmanNF-PM1
B1=660000, B2=12705000
2016-01-31TheJudgerNF
no factor from 2^74 to 2^75
2016-01-31TheJudgerNF
no factor from 2^73 to 2^74
2016-01-31TheJudgerNF
no factor from 2^72 to 2^73
2015-09-12FredrikNF
no factor from 2^71 to 2^72
2013-07-08Le ComteNF
no factor from 2^70 to 2^71
2013-05-22symalladNF
no factor from 2^69 to 2^70
2010-08-25GIMP PhilippinesNF
no factor from 2^68 to 2^69
2010-08-20GIMP PhilippinesNF
no factor from 2^67 to 2^68
2010-08-14unconnectedNF
no factor from 2^66 to 2^67
2010-08-12unconnectedNF
no factor from 2^65 to 2^66
2010-08-09Jens BolmNF
no factor from 2^64 to 2^65