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
61502689TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 11992500
LL
StatusDateUserResidueShift
Verified2013-08-16James Rushworth8FB69CAE906B1FCD32830805
Verified2021-09-22Smok_bmv 8FB69CAE906B1FCD61452359
History
DateUserTypeResult
2021-09-22Smok_bmv C-LL
8FB69CAE906B1FCD
2016-03-05-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-08-16James RushworthC-LL
8FB69CAE906B1FCD
2013-04-17HBendtzNF-PM1
B1=585000, B2=11992500, E=12
2013-02-06Jerry HallettNF
no factor from 2^72 to 2^73
2013-02-06Jerry HallettNF
no factor from 2^71 to 2^72
2013-01-27lycornNF
no factor from 2^70 to 2^71
2011-11-18Per JessenNF
no factor from 2^69 to 2^70
2009-09-20kmdNF
no factor from 2^68 to 2^69
2009-04-11ckprimeNF
no factor from 2^67 to 2^68
2009-04-09BadidasNF
no factor from 2^66 to 2^67
2009-02-07JACKJACKNF
no factor from 2^65 to 2^66
2009-02-06driveByUpgradesNF
no factor from 2^64 to 2^65
2009-02-02ANONYMOUSNF
no factor from 2^63 to 2^64