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
40863271TF
No factors below 274
TF target 272
P-1
B1 = 450000
B2 = 11250000
LL
StatusDateUserResidueShift
Verified2008-05-22Jan van Niekerk40701325418A2B8633185912
Verified2016-01-08Redbart40701325418A2B8639750528
History
DateUserTypeResult
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-02Bruno VictalNF-PM1
B1=450000, B2=11250000, E=12
2016-01-08RedbartC-LL
40701325418A2B86
2015-06-07TheJudgerNF
no factor from 2^71 to 2^72
2014-12-28XyzzyNF
no factor from 2^70 to 2^71
2014-12-28XyzzyNF
no factor from 2^69 to 2^70