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
40946153Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 670000
B2 = 670000
LL
StatusDateUserResidueShift
Verified2008-04-25Mike EllisAB63D9E853A97A7430345524
Verified2016-11-21apocalypseAB63D9E853A97A7410555079
History
DateUserTypeResult
2024-05-29mrhNF
no factor from 2^68 to 2^69
2022-04-29Sid & AndyNF
no factor from 2^72 to 2^73
2016-11-21apocalypseC-LL
AB63D9E853A97A74
2015-06-07TheJudgerNF
no factor from 2^71 to 2^72
2014-12-23el groccoNF
no factor from 2^70 to 2^71
2014-12-23el groccoNF
no factor from 2^69 to 2^70
2013-10-31Carsten KossendeyNF
no factor from 2^68 to 2^69