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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
57731461TF
No factors below 274
TF target 273
P-1
B1 = 520000
B2 = 8840000
LL
StatusDateUserResidueShift
Verified2015-06-28Sid & Andy286FDE53661570FE2527376
Verified2020-09-24Torchwood Institute286FDE53661570FE53802728
History
DateUserTypeResult
2020-09-24Torchwood InstituteC-LL
286FDE53661570FE
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-06-28Sid & AndyC-LL
286FDE53661570FE
2014-11-17srow7NF
no factor from 2^73 to 2^74
2012-10-08Ilya AlexandrovNF-PM1
B1=520000, B2=8840000
2012-08-31Craig MeyersNF
no factor from 2^72 to 2^73
2012-05-10BdotNF
no factor from 2^71 to 2^72
2011-09-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-24korvaNF
no factor from 2^69 to 2^70
2011-04-26Paul LeylandNF
no factor from 2^68 to 2^69
2009-05-29Harri JärviNF
no factor from 2^67 to 2^68
2009-01-16stevecodyNF
no factor from 2^66 to 2^67
2009-01-14stevecodyNF
no factor from 2^65 to 2^66
2009-01-12alan145NF
no factor from 2^64 to 2^65
2009-01-10Sturle SundeNF
no factor from 2^63 to 2^64