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
70472627Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 690000
B2 = 15352500
LL
StatusDateUserResidueShift
Verified2015-02-01-Anonymous-735872B68583768547465061
Verified2024-08-06Ryan Propper735872B6858376855186276
History
DateUserTypeResult
2024-08-06Ryan PropperC-LL
735872B685837685
2016-11-08monstNF
no factor from 2^74 to 2^75
2015-02-01-Anonymous-C-LL
735872B685837685
2014-11-05srow7NF
no factor from 2^73 to 2^74
2014-11-02TheJudgerNF-PM1
B1=690000, B2=15352500, E=12
2014-10-27RichD0NF
no factor from 2^72 to 2^73
2014-09-24srow7NF
no factor from 2^71 to 2^72
2013-04-12GIMP PhilippinesNF
no factor from 2^70 to 2^71
2010-05-08ANONYMOUSNF
no factor to 2^70
2010-04-29kmdNF
no factor from 2^67 to 2^68
2010-04-26unconnectedNF
no factor from 2^66 to 2^67
2010-04-24unconnectedNF
no factor from 2^65 to 2^66
2010-02-20-Anonymous-NF
no factor from 2^64 to 2^65
2008-11-21Wojciech FlorekNF
no factor to 2^64