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
50806423TF
No factors below 274
TF target 273
P-1
B1 = 615000
B2 = 20910000
LL
StatusDateUserResidueShift
Verified2011-08-19southafrica8D9B3FD0613A99BE15672521
Verified2019-01-27frolyar8D9B3FD0613A99BE21144
History
DateUserTypeResult
2019-01-27frolyarC-LL
8D9B3FD0613A99BE
2018-09-30Mark RoseNF
no factor from 2^73 to 2^74
2016-01-22AirSquirrelsNF
no factor from 2^72 to 2^73
2015-11-22ATHNF
no factor from 2^71 to 2^72
2015-06-26Mark RoseNF
no factor from 2^70 to 2^71
2015-01-20monstNF
no factor from 2^69 to 2^70
2011-08-19southafricaC-LL
8D9B3FD0613A99BE
2009-02-06tmorrowNF
no factor from 2^68 to 2^69
2009-02-05tmorrowNF
no factor from 2^67 to 2^68
2009-02-04Sturle SundeNF-PM1
B1=615000, B2=20910000, E=6
2008-12-01ctenzerNF
no factor from 2^66 to 2^67
2008-11-25ctenzerNF
no factor from 2^65 to 2^66
2008-11-24ctenzerNF
no factor from 2^64 to 2^65
2008-09-25DerekNF
no factor to 2^64