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
40344211TF
No factors below 275
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2008-09-16Ahmer Ali687BBEEF886B6BDE7825881
Verified2017-03-13t278687BBEEF886B6BDE10032395
History
DateUserTypeResult
2020-10-11buteraNF
no factor from 2^74 to 2^75
2020-01-01-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-13t278C-LL
687BBEEF886B6BDE
2017-02-26Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-09Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-21NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-21NickOfTimeNF
no factor from 2^69 to 2^70