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
57395831Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 535000
B2 = 11101250
LL
StatusDateUserResidueShift
Verified2013-01-18curtisc94FE8A6F5FB5E12648656499
Verified2020-08-03dmbeeson94FE8A6F5FB5E12624837598
History
DateUserTypeResult
2020-08-03dmbeesonC-LL
94FE8A6F5FB5E126
2019-02-03TheJudgerNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-01-18curtiscC-LL
94FE8A6F5FB5E126
2012-10-06TheJudgerNF-PM1
B1=535000, B2=11101250, E=6
2012-09-19BdotNF
no factor from 2^72 to 2^73
2012-07-04bcp19NF
no factor from 2^71 to 2^72
2012-01-03Kyle AskineNF
no factor from 2^70 to 2^71
2011-12-27Aaron HavilandNF
no factor from 2^69 to 2^70
2011-04-22megavinkNF
no factor from 2^68 to 2^69
2009-07-28PrimewiseNF
no factor from 2^67 to 2^68
2009-03-21Sturle SundeNF
no factor from 2^66 to 2^67
2009-01-19PieandcakesNF
no factor from 2^65 to 2^66
2009-01-18PieandcakesNF
no factor from 2^64 to 2^65
2009-01-09-Anonymous-NF
no factor from 2^63 to 2^64