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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
57636023Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2012-06-07curtiscE22EC251212CBFCE34330599
Verified2020-11-22Ilya GutkovskiyE22EC251212CBFCE31514303
History
DateUserTypeResult
2020-11-22Ilya GutkovskiyC-LL
E22EC251212CBFCE
2018-08-01Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2018-06-14Mark RoseNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-12-15LaurVNF
no factor from 2^72 to 2^73
2012-06-07curtiscC-LL
E22EC251212CBFCE
2012-04-26curtiscNF-PM1
B1=705000
2011-11-25TheJudgerNF
no factor from 2^71 to 2^72
2011-04-26UngelovendeNF
no factor from 2^70 to 2^71
2011-04-26UngelovendeNF
no factor from 2^69 to 2^70
2011-04-26UngelovendeNF
no factor from 2^68 to 2^69
2009-06-02-Anonymous-NF
no factor from 2^67 to 2^68
2009-01-17James HintzNF
no factor from 2^66 to 2^67
2009-01-14James HintzNF
no factor from 2^65 to 2^66
2009-01-12James HintzNF
no factor from 2^64 to 2^65
2009-01-10James HintzNF
no factor from 2^63 to 2^64