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
40440203TF
No factors below 273
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2007-12-18Ahmer Ali584053EFD55E89CC78748
Verified2017-08-03Richard_Prairie584053EFD55E89CC14680616
History
DateUserTypeResult
2022-04-12Sid & AndyNF
no factor from 2^72 to 2^73
2017-08-03Richard_PrairieC-LL
584053EFD55E89CC
2017-03-01Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-25Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-05krackerNF
no factor from 2^70 to 2^71
2015-01-05Mark RoseNF
no factor from 2^69 to 2^70