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
20140619Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 235000
B2 = 4700000
LL
StatusDateUserResidueShift
Verified2005-01-10stephen soileau7E19A71D0A11501F8407327
Verified2008-03-05Giorgos Ikonomou7E19A71D0A11501F14800994
History
DateUserTypeResult
2022-01-11TheJudgerNF
no factor from 2^73 to 2^74
2021-11-05-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-18-Anonymous-NF
no factor from 2^71 to 2^72
2020-04-10Gordon SpenceNF
no factor from 2^70 to 2^71
2018-01-09ramgeisNF
no factor from 2^69 to 2^70
2017-11-14VictordeHollanderNF
no factor from 2^68 to 2^69
2017-04-27ramgeisNF
no factor from 2^67 to 2^68
2015-02-08NRNF
no factor from 2^66 to 2^67