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
27178399Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 325000
B2 = 6175000
LL
StatusDateUserResidueShift
Verified2005-02-12Oleg Evgenievich Silin2DAD73F37A3C6D1812510842
Verified2011-03-17Vovo2000.Com2DAD73F37A3C6D187975179
History
DateUserTypeResult
2022-12-07lobsterfordinnerNF
no factor from 2^72 to 2^73
2021-04-21Sid & AndyNF
no factor from 2^71 to 2^72
2021-02-21mikrNF
no factor from 2^70 to 2^71
2018-09-27chuenkitNF
no factor from 2^69 to 2^70
2018-04-09VictordeHollanderNF
no factor from 2^68 to 2^69
2016-01-18NRNF
no factor from 2^67 to 2^68
2011-03-17Vovo2000.ComC-LL
2DAD73F37A3C6D18