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
70664071Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13061250
LL
StatusDateUserResidueShift
Verified2016-12-12__anonymous__B0CB0ADBBA143FA011663112
Verified2024-04-05Ryan PropperB0CB0ADBBA143FA022714117
History
DateUserTypeResult
2024-04-05Ryan PropperC-LL
B0CB0ADBBA143FA0
2016-12-12__anonymous__C-LL
B0CB0ADBBA143FA0
2016-05-07-Anonymous-NF
no factor from 2^74 to 2^75
2015-01-02Brandon VincentNF-PM1
B1=645000, B2=13061250, E=6
2014-10-23Craig MeyersNF
no factor from 2^71 to 2^74
2013-04-06GrunwalderGIMPNF
no factor from 2^70 to 2^71
2012-04-30-Anonymous-NF
no factor from 2^69 to 2^70
2010-07-12unconnectedNF
no factor from 2^68 to 2^69
2010-07-09unconnectedNF
no factor from 2^67 to 2^68
2010-05-06YxinityNF
no factor from 2^66 to 2^67
2010-02-26Adam's I7 and othersNF
no factor from 2^65 to 2^66
2010-02-25Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-23Wojciech FlorekNF
no factor to 2^64