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
81048683Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 275
P-1
B1 = 680000
B2 = 13090000
LL
StatusDateUserResidueShift
Verified2018-04-23Smok_bmv 8383BC3DF43F08EB66977126
Verified2025-02-13antkh8383BC3DF43F08EB19698457
History
DateUserTypeResult
2025-02-13antkhC-LL
8383BC3DF43F08EB
2018-04-23Smok_bmv C-LL
8383BC3DF43F08EB
2017-04-22Chris SmithNF-PM1
B1=680000, B2=13090000
2016-10-30TheJudgerNF
no factor from 2^74 to 2^75
2016-10-30TheJudgerNF
no factor from 2^73 to 2^74
2016-10-07gcardonaNF
no factor from 2^72 to 2^73
2014-01-13SMoffatNF
no factor from 2^71 to 2^72
2013-06-11Vladimir TshegolevatykhNF
no factor from 2^70 to 2^71
2011-03-04tmorrowNF
no factor from 2^69 to 2^70
2011-02-28MarekBNF
no factor from 2^68 to 2^69
2011-02-18JMGarciaNF
no factor from 2^67 to 2^68
2011-02-17ITSNF
no factor from 2^66 to 2^67
2011-02-06steinrarNF
no factor from 2^65 to 2^66
2010-12-12Architects CubedNF
no factor from 2^64 to 2^65