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
47866409TF
No factors below 274
TF target 272
P-1
B1 = 505000
B2 = 8585000
LL
StatusDateUserResidueShift
Verified2012-09-13Ruslan Kipkeev560081C949C5D1DB46391272
Verified2019-03-12Sergey Nosov560081C949C5D1DB40907052
History
DateUserTypeResult
2019-09-17Jon PaceNF
no factor from 2^73 to 2^74
2019-03-12Sergey NosovC-LL
560081C949C5D1DB
2018-01-09RichD0NF
no factor from 2^72 to 2^73
2012-09-13Ruslan KipkeevC-LL
560081C949C5D1DB
2012-01-17Jerry HallettNF
no factor from 2^70 to 2^72
2008-12-05Smok_bmv NF-PM1
B1=505000, B2=8585000