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
70785563Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13383750
LL
StatusDateUserResidueShift
Verified2016-09-16FlamenSatanasC84C0D19880CBAC535976290
Verified2024-08-19Ryan PropperC84C0D19880CBAC522021812
History
DateUserTypeResult
2024-08-19Ryan PropperC-LL
C84C0D19880CBAC5
2016-09-16FlamenSatanasC-LL
C84C0D19880CBAC5
2016-05-07-Anonymous-NF
no factor from 2^74 to 2^75
2014-11-30TheJudgerNF-PM1
B1=645000, B2=13383750, E=12
2014-11-23TheJudgerNF
no factor from 2^73 to 2^74
2014-11-23TheJudgerNF
no factor from 2^72 to 2^73
2014-10-18LaurVNF
no factor from 2^71 to 2^72
2013-07-04processinfoNF
no factor from 2^70 to 2^71
2010-06-10tscNF
no factor to 2^70
2010-04-12-Anonymous-NF
no factor from 2^65 to 2^66
2010-02-28magicxhNF
no factor from 2^64 to 2^65
2008-11-24George WoltmanNF
no factor to 2^64
2008-11-22Wojciech FlorekNF
no factor to 2^64
2008-11-22-Anonymous-NF
no factor to 2^64