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
35868631Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 271
P-1
B1 = 500000
B2 = 9000000
LL
StatusDateUserResidueShift
Verified2007-02-05Bart³omiej Pawlik1CA06C446D39042231954393
Verified2015-08-30WR1CA06C446D39042232708076
History
DateUserTypeResult
2022-08-27Sid & AndyNF
no factor from 2^72 to 2^73
2015-08-30WRC-LL
1CA06C446D390422
2015-07-17HBendtzNF-PM1
B1=500000, B2=9000000, e=12
2014-10-19MikeBerlinNF
no factor from 2^71 to 2^72
2014-10-19MikeBerlinNF
no factor from 2^70 to 2^71
2014-09-23LaurVNF
no factor from 2^69 to 2^70