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
84001009
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 277
TF target 275
P-1
B1 = 2100000
B2 = 48000000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-08-21QingkongD0ED9A07C0CB4C__71007954Windows 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2020-03-13mikrNF-PM1B1=2100000, B2=48000000
2020-03-04mikrNFno factor TF: 76-77
2017-08-21QingkongC-LLD0ED9A07C0CB4C__
2017-05-13QingkongNF-PM1B1=670000, B2=13065000, E=12
2017-03-26TheJudgerNFno factor TF: 75-76
2017-02-20Brian BeuningNFno factor TF: 74-75
2017-02-04gcardonaNFno factor TF: 73-74
2016-08-15Gordon BowerNFno factor TF: 72-73
2014-01-14HAL-9000NFno factor TF: 71-72
2013-06-29Norman LeyNFno factor TF: 70-71
2013-02-23SMoffatNFno factor TF: 69-70
2013-02-23SMoffatNFno factor TF: 68-69
2013-02-22SMoffatNFno factor TF: 67-68
2012-04-22c10ck3rNFno factor TF: 66-67
2011-05-31riccardo ubertiNFno factor TF: 65-66
2010-12-04Architects CubedNFno factor TF: 64-65