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
75307877TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12187500
LL
StatusDateUserResidueShift
Unverified2017-04-22frolyar1090B915D63955__54900423
History
DateUserTypeResult
2017-04-22frolyarC-LL
1090B915D63955__
2016-04-03Mark RoseNF
no factor from 2^63 to 2^64
2016-02-09Brian BeuningNF-PM1
B1=625000, B2=12187500, E=6
2016-02-03Brian BeuningNF
no factor from 2^74 to 2^75
2016-01-29James HeinrichNF
no factor from 2^73 to 2^74
2016-01-14BdotNF
no factor from 2^72 to 2^73
2015-09-03Judge HaleNF
no factor from 2^71 to 2^72
2013-05-15SMoffatNF
no factor from 2^70 to 2^71
2012-12-06SMoffatNF
no factor from 2^69 to 2^70
2011-02-12jesterkingNF
no factor from 2^68 to 2^69
2011-02-07Wayne YeungNF
no factor from 2^67 to 2^68
2010-12-08VinceNF
no factor from 2^66 to 2^67
2010-10-05ANONYMOUSNF
no factor from 2^65 to 2^66
2010-10-03andrea.biancalanaNF
no factor from 2^64 to 2^65