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
50643821TF
No factors below 274
TF target 273
P-1
B1 = 590000
B2 = 15487500
LL
StatusDateUserResidueShift
Verified2012-11-11curtisc5CD13A8A0CFEDE6C11828961
Verified2020-02-08Sergey Nosov5CD13A8A0CFEDE6C40859141
History
DateUserTypeResult
2020-02-08Sergey NosovC-LL
5CD13A8A0CFEDE6C
2019-06-02TheJudgerNF
no factor from 2^73 to 2^74
2015-12-02Judge HaleNF
no factor from 2^72 to 2^73
2012-11-11curtiscC-LL
5CD13A8A0CFEDE6C
2012-02-05James HeinrichNF
no factor from 2^71 to 2^72
2012-02-05James HeinrichNF
no factor from 2^70 to 2^71
2011-12-15LaurVNF
no factor from 2^69 to 2^70
2011-10-14pshafferNF-PM1
B1=590000, B2=15487500, E=12
2008-10-27David BarleyNF
no factor to 2^69
2008-09-11DerekNF
no factor to 2^64