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:





MnDetails
84028673
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 670000
B2 = 13065000
LL
StatusDateUserResidueShiftSoftware
Unverified2018-03-26patgie9A05F40DFE9305__76084297Windows 64-bit,Prime95,v29.4,(aka Wg4)
History
DateUserTypeResult
2018-03-26patgieC-LL9A05F40DFE9305__
2017-10-12CuboxNF-PM1B1=670000, B2=13065000, E=12
2017-04-02TheJudgerNFno factor TF: 75-76
2017-03-03Mark RoseNFno factor TF: 74-75
2017-02-11gcardonaNFno factor TF: 73-74
2016-12-29Judge HaleNFno factor TF: 72-73
2016-12-29Judge HaleNFno factor TF: 71-72
2014-03-02GnorfeNFno factor TF: 70-71
2013-07-22Le ComteNFno factor TF: 69-70
2013-07-22Le ComteNFno factor TF: 68-69
2013-06-29Norman LeyNFno factor TF: 67-68
2013-02-22SMoffatNFno factor TF: 66-67
2012-09-13Carsten KossendeyNFno factor TF: 65-66
2010-12-22Architects CubedNFno factor TF: 64-65