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
70331237Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 685000
B2 = 15241250
LL
StatusDateUserResidueShift
Verified2016-07-02Bobinator528C3BF815F398F029712677
Verified2024-07-31Ethan Westmoreland528C3BF815F398F057287121
History
DateUserTypeResult
2024-07-31Ethan WestmorelandC-LL
528C3BF815F398F0
2016-07-02BobinatorC-LL
528C3BF815F398F0
2016-04-15-Anonymous-NF
no factor from 2^74 to 2^75
2014-10-29ChuckNF
no factor from 2^73 to 2^74
2014-10-26TheJudgerNF-PM1
B1=685000, B2=15241250, E=12
2014-10-13RichD0NF
no factor from 2^72 to 2^73
2014-09-17LaurVNF
no factor from 2^71 to 2^72
2013-05-01SMoffatNF
no factor from 2^70 to 2^71
2010-02-12ANONYMOUSNF
no factor to 2^70
2008-11-27Wojciech FlorekNF
no factor to 2^64