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
83760143
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
Unverified2018-12-30curtisc3B184F520EF314__57869841Windows Service,Prime95,v29.4,build 7
History
DateUserTypeResult
2018-12-30curtiscC-LL3B184F520EF314__
2017-01-22TheJudgerNF-PM1B1=670000, B2=13065000, E=12
2017-01-14-anonymous-NFno factor TF: 74-75
2017-01-14-anonymous-NFno factor TF: 75-76
2017-01-14-anonymous-NFno factor TF: 71-72
2017-01-14-anonymous-NFno factor TF: 72-73
2017-01-14-anonymous-NFno factor TF: 73-74
2013-07-24willmoreNFno factor TF: 70-71
2013-06-14PascalBieriNFno factor TF: 69-70
2013-06-13PascalBieriNFno factor TF: 68-69
2013-02-18SMoffatNFno factor TF: 67-68
2013-02-15SMoffatNFno factor TF: 66-67
2012-08-13Carsten KossendeyNFno factor TF: 65-66
2010-12-20Architects CubedNFno factor TF: 64-65