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
76632967Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 655000
B2 = 11626250
LL
StatusDateUserResidueShift
Verified2017-12-11Evgeniy Zavialov4251EE79FF78391B43502749
Verified2018-01-24Aki4251EE79FF78391B53535393
History
DateUserTypeResult
2018-01-24AkiC-LL
4251EE79FF78391B
2017-12-11Evgeniy ZavialovC-LL
4251EE79FF78391B
2016-04-03AnthonyRaisNF-PM1
B1=655000, B2=11626250
2016-03-28TheJudgerNF
no factor from 2^74 to 2^75
2016-03-28TheJudgerNF
no factor from 2^73 to 2^74
2014-01-01DRHNF
no factor from 2^72 to 2^73
2014-01-01DRHNF
no factor from 2^71 to 2^72
2013-01-07wangyun183NF
no factor from 2^70 to 2^71
2011-03-15KYOJI_KAMEINF
no factor from 2^69 to 2^70
2011-03-07KYOJI_KAMEINF
no factor from 2^68 to 2^69
2011-03-05KYOJI_KAMEINF
no factor from 2^67 to 2^68
2011-03-02Devin CampbellNF
no factor from 2^66 to 2^67
2011-02-24JShaftNF
no factor from 2^65 to 2^66
2010-12-11-Anonymous-NF
no factor from 2^64 to 2^65