Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
84906617Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13430000
LL
StatusDateUserResidueShift
Unverified2019-01-30Sergey Nosov1DD4CFAFD6AD35__56470622
History
DateUserTypeResult
2019-01-30Sergey NosovC-LL
1DD4CFAFD6AD35__
2017-12-31TheJudgerNF-PM1
B1=680000, B2=13430000, E=12
2017-07-16TheJudgerNF
no factor from 2^75 to 2^76
2017-06-30Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-13-Anonymous-NF
no factor from 2^73 to 2^74
2016-12-23Judge HaleNF
no factor from 2^72 to 2^73
2014-02-14g0bNF
no factor from 2^71 to 2^72
2013-07-20wangyun183NF
no factor from 2^70 to 2^71
2013-06-21PascalBieriNF
no factor from 2^69 to 2^70
2013-06-16PascalBieriNF
no factor from 2^68 to 2^69
2013-06-15PascalBieriNF
no factor from 2^67 to 2^68
2013-06-14willmoreNF
no factor from 2^66 to 2^67
2012-08-14Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-08Architects CubedNF
no factor from 2^64 to 2^65