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
23445131Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 265000
B2 = 3908750
LL
StatusDateUserResidueShift
Verified2004-09-16Martien van Geffen9B01A8C189506BC310985320
Verified2010-02-08-Anonymous-9B01A8C189506BC310761811
History
DateUserTypeResult
2021-10-22TheJudgerNF
no factor from 2^74 to 2^75
2021-09-19TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2021-08-29mikrNF
no factor from 2^70 to 2^71
2018-08-26ramgeisNF
no factor from 2^69 to 2^70
2018-01-03VictordeHollanderNF
no factor from 2^68 to 2^69
2016-06-09VictordeHollanderNF
no factor from 2^67 to 2^68
2010-02-08westbyeC-LL
9B01A8C189506BC3