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
47362409Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 16240000
LL
StatusDateUserResidueShift
Verified2011-02-01WR7DAF5C3DBA1B862041788066
Verified2019-01-08ibonito7DAF5C3DBA1B86209977190
History
DateUserTypeResult
2019-01-08ibonitoC-LL
7DAF5C3DBA1B8620
2017-12-03TheJudgerNF
no factor from 2^72 to 2^73
2016-02-23Mark RoseNF
no factor from 2^1 to 2^64
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-06-17LaurVNF
no factor from 2^70 to 2^71
2015-06-13LaurVNF
no factor from 2^69 to 2^70
2013-10-15sasakiNF
no factor from 2^68 to 2^69
2011-02-01WRC-LL
7DAF5C3DBA1B8620
2010-10-28WRNF-PM1
B1=560000, B2=16240000, E=12