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
62253931TF
No factors below 274
TF target 274
P-1
B1 = 550000
B2 = 10450000
LL
StatusDateUserResidueShift
Verified2014-03-31Zoanetti9F7857458053F08F52552358
Verified2022-08-24Andrey Mitrofanov9F7857458053F08F25178828
History
DateUserTypeResult
2022-08-24Andrey MitrofanovC-LL
9F7857458053F08F
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-03-31ZoanettiC-LL
9F7857458053F08F
2013-05-22James HeinrichNF-PM1
B1=550000, B2=10450000
2013-05-18ChuckNF
no factor from 2^73 to 2^74
2013-03-11Tom DuellNF
no factor from 2^72 to 2^73
2013-02-23James HeinrichNF
no factor from 2^71 to 2^72
2012-08-30SWL551NF
no factor from 2^70 to 2^71
2011-12-02SpeedwayNF
no factor from 2^69 to 2^70
2010-05-02GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-05-01lindedNF
no factor from 2^67 to 2^68
2009-08-26heteNF
no factor from 2^66 to 2^67
2009-08-25xwlokNF
no factor from 2^65 to 2^66
2009-08-14Andrey KurgannikovNF
no factor from 2^64 to 2^65
2008-12-11DerekNF
no factor from 2^63 to 2^64