Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
23591833Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 506000
B2 = 30032000
LL
StatusDateUserResidueShift
Verified2004-10-03john horton1A2A9224AD76A88C20828829
Verified2010-11-28garo1A2A9224AD76A88C12014957
History
DateUserTypeResult
2023-01-09Sid & AndyNF
no factor from 2^72 to 2^73
2021-10-12James HeinrichNF-PM1
B1=506000, B2=30032000
2021-06-29-Anonymous-NF
no factor from 2^71 to 2^72
2021-06-29-Anonymous-NF
no factor from 2^70 to 2^71
2018-08-30ramgeisNF
no factor from 2^69 to 2^70
2018-01-08VictordeHollanderNF
no factor from 2^68 to 2^69
2016-06-29VictordeHollanderNF
no factor from 2^67 to 2^68
2010-11-28garoC-LL
1A2A9224AD76A88C