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
83499173
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 665000
B2 = 12801250
LL
StatusDateUserResidueShiftSoftware
Unverified2018-04-03-anonymous-96629984B4F2CF__33383591Windows 64-bit,Prime95,v29.4,build 7
History
DateUserTypeResult
2018-04-03-anonymous-C-LL96629984B4F2CF__
2017-09-24garoNF-PM1B1=665000, B2=12801250, E=6
2017-03-24-anonymous-NFno factor TF: 75-76
2017-01-14Mark RoseNFno factor TF: 74-75
2017-01-12Tim SorberaNFno factor TF: 73-74
2016-12-15Judge HaleNFno factor TF: 72-73
2016-12-15Judge HaleNFno factor TF: 71-72
2013-06-18Cow_tippingNFno factor TF: 70-71
2013-02-26albin_pouillesNFno factor TF: 69-70
2013-02-25JamesNFno factor TF: 68-69
2013-02-23SMoffatNFno factor TF: 67-68
2013-02-11RHMashNFno factor TF: 66-67
2012-08-10Carsten KossendeyNFno factor TF: 65-66
2010-12-21Architects CubedNFno factor TF: 64-65