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
61278563TF
No factors below 274
TF target 274
P-1
B1 = 685000
B2 = 685000
LL
StatusDateUserResidueShift
Verified2013-05-29McAlister21B169FFC23D056124304562
Verified2022-04-04Sergey Nosov21B169FFC23D05616495163
History
DateUserTypeResult
2022-04-04Sergey NosovC-LL
21B169FFC23D0561
2016-03-11-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-05-29McAlisterC-LL
21B169FFC23D0561
2013-04-15McAlisterNF-PM1
B1=685000
2013-01-19ChuckNF
no factor from 2^72 to 2^73
2012-04-19Craig MeyersNF
no factor from 2^69 to 2^72
2009-12-26ctBuckweedNF
no factor from 2^68 to 2^69
2009-12-16GrunwalderGIMPNF
no factor from 2^67 to 2^68
2009-12-13Torchwood InstituteNF
no factor from 2^66 to 2^67
2009-09-21RIPTIDENF
no factor from 2^65 to 2^66
2009-01-31Sturle SundeNF
no factor from 2^64 to 2^65
2009-01-30James RedmonNF
no factor from 2^63 to 2^64