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
70739609Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 635000
B2 = 12382500
LL
StatusDateUserResidueShift
Verified2016-12-27basey81E7BF2648DDBB2662931448
Verified2024-08-18Ryan Propper81E7BF2648DDBB2611097394
History
DateUserTypeResult
2024-08-18Ryan PropperC-LL
81E7BF2648DDBB26
2016-12-27baseyC-LL
81E7BF2648DDBB26
2016-05-25-Anonymous-NF
no factor from 2^74 to 2^75
2015-01-12Armin BothurNF-PM1
B1=635000, B2=12382500
2014-10-14Jerry HallettNF
no factor from 2^73 to 2^74
2014-10-14Jerry HallettNF
no factor from 2^72 to 2^73
2014-10-14Jerry HallettNF
no factor from 2^71 to 2^72
2014-04-19HBendtzNF
no factor from 2^70 to 2^71
2012-11-06AllRandomNF
no factor from 2^69 to 2^70
2010-03-06alan145NF
no factor from 2^68 to 2^69
2010-03-05subgeniusNF
no factor from 2^67 to 2^68
2010-03-02subgeniusNF
no factor from 2^66 to 2^67
2010-02-28Sturle SundeNF
no factor from 2^65 to 2^66
2010-02-27Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-24George WoltmanNF
no factor to 2^64
2008-11-22Wojciech FlorekNF
no factor to 2^64
2008-11-22-Anonymous-NF
no factor to 2^64