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
50559659Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 590000
B2 = 15782500
LL
StatusDateUserResidueShift
Verified2010-07-21ANONYMOUSA18F736D04C256E220370251
Verified2019-08-06Smok_bmv A18F736D04C256E228775495
History
DateUserTypeResult
2019-08-06Smok_bmv C-LL
A18F736D04C256E2
2019-06-02TheJudgerNF
no factor from 2^73 to 2^74
2015-12-23AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-01Mark RoseNF
no factor from 2^70 to 2^71
2014-12-28monstNF
no factor from 2^69 to 2^70
2010-07-21ANONYMOUSC-LL
A18F736D04C256E2
2010-05-26ANONYMOUSNF-PM1
B1=590000, B2=15782500
2008-08-29DerekNF
no factor to 2^64