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
84805481
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13260000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-05-05patgie3F8CFB51B8A31C__69273443Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2019-05-05patgieC-LL3F8CFB51B8A31C__
2019-04-27ATHNFno factor TF: 63-64
2019-04-27ATHNFno factor TF: 1-63
2017-12-21James HeinrichNF-PM1B1=680000, B2=13260000, E=6
2017-06-04TheJudgerNFno factor TF: 74-75
2017-06-04TheJudgerNFno factor TF: 75-76
2017-05-05-anonymous-NFno factor TF: 73-74
2017-02-11Judge HaleNFno factor TF: 72-73
2017-02-11Judge HaleNFno factor TF: 71-72
2013-08-13-anonymous-NFno factor TF: 70-71
2013-07-22EratosthenesNFno factor TF: 69-70
2013-07-20SMoffatNFno factor TF: 68-69
2013-07-17SMoffatNFno factor TF: 67-68
2013-06-23LelikoidNFno factor TF: 66-67
2012-08-13Carsten KossendeyNFno factor TF: 65-66
2010-12-24Architects CubedNFno factor TF: 64-65