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
54261281TF
No factors below 274
TF target 273
P-1
B1 = 635000
B2 = 16827500
LL
StatusDateUserResidueShift
Verified2013-09-23RocketRider81FB21B955293BEA42675835
Verified2020-09-13Dmitriy Degtiarev81FB21B955293BEA14915299
History
DateUserTypeResult
2020-09-13Dmitriy DegtiarevC-LL
81FB21B955293BEA
2018-08-09ChuckNF
no factor from 2^73 to 2^74
2016-02-14AirSquirrelsNF
no factor from 2^72 to 2^73
2013-09-23RocketRiderC-LL
81FB21B955293BEA
2012-06-17Tom DuellNF
no factor from 2^71 to 2^72
2011-08-07eon_blue_apocalypseNF
no factor from 2^70 to 2^71
2011-07-29Paul LeylandNF
no factor from 2^69 to 2^70
2011-07-25Patrik JohanssonNF-PM1
B1=635000, B2=16827500, E=6
2011-03-28UngelovendeNF
no factor from 2^68 to 2^69
2009-05-10W. OleinikNF
no factor from 2^67 to 2^68
2009-03-02ChrisNF
no factor from 2^66 to 2^67
2009-02-28ChrisNF
no factor from 2^65 to 2^66
2009-02-25ChrisNF
no factor from 2^64 to 2^65
2008-10-27-Anonymous-NF
no factor to 2^64