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
63787531TF
No factors below 276
TF target 274
P-1
B1 = 570000
B2 = 11115000
LL
StatusDateUserResidueShift
Verified2014-09-04Andrew BarlowEFDCE7C19C3B707F14276188
Verified2021-07-30paulEFDCE7C19C3B707F42971000
History
DateUserTypeResult
2021-07-30paulC-LL
EFDCE7C19C3B707F
2019-12-20Sid & AndyNF
no factor from 2^75 to 2^76
2019-10-18ChuckNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-09-04Andrew BarlowC-LL
EFDCE7C19C3B707F
2013-07-01TheJudgerNF-PM1
B1=570000, B2=11115000, E=6
2013-04-18Jerry HallettNF
no factor from 2^73 to 2^74
2013-04-18Jerry HallettNF
no factor from 2^72 to 2^73
2013-04-18Jerry HallettNF
no factor from 2^71 to 2^72
2013-04-18Jerry HallettNF
no factor from 2^70 to 2^71
2012-01-04ITSNF
no factor from 2^69 to 2^70
2009-11-10eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2009-11-07GrunwalderGIMPNF
no factor from 2^67 to 2^68
2009-11-04arnaudNF
no factor from 2^66 to 2^67
2009-08-31Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-06Sturle SundeNF
no factor from 2^64 to 2^65
2009-02-28Wojciech FlorekNF
no factor from 2^63 to 2^64