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
19458107Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 800000
B2 = 669798360
LL
StatusDateUserResidueShift
Verified2004-11-22Sergey MartynovF964B6E823E9B4EF15902646
Verified2007-10-17Harrison NealF964B6E823E9B4EF7962906
History
DateUserTypeResult
2022-04-02Seth_TrNF-PM1
B1=800000, B2=669798360
2021-11-20-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-03-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-16SRBaseNF
no factor from 2^70 to 2^71
2019-12-11lycornNF
no factor from 2^69 to 2^70
2017-11-22ramgeisNF
no factor from 2^68 to 2^69
2014-04-21NesowaNF
no factor from 2^67 to 2^68
2014-04-21NesowaNF
no factor from 2^66 to 2^67