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
70318957Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13222500
LL
StatusDateUserResidueShift
Verified2015-09-29frolyarB2E66AB90C60FAAD69686902
Verified2024-07-25Ryan PropperB2E66AB90C60FAAD66898778
History
DateUserTypeResult
2024-07-25Ryan PropperC-LL
B2E66AB90C60FAAD
2016-10-03monstNF
no factor from 2^74 to 2^75
2015-09-29frolyarC-LL
B2E66AB90C60FAAD
2015-01-06David HruskaNF-PM1
B1=645000, B2=13222500, E=12
2014-10-24ChuckNF
no factor from 2^73 to 2^74
2014-10-24ChuckNF
no factor from 2^72 to 2^73
2014-09-15LaurVNF
no factor from 2^71 to 2^72
2009-11-08ahmeraliNF
no factor to 2^71
2008-11-27Wojciech FlorekNF
no factor to 2^64