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
86253421
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 700000
B2 = 13650000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-03-07denis cazor1B7C9B97CBE485__20634032Windows,Prime95,v29.4,build 7
History
DateUserTypeResult
2019-03-07denis cazorC-LL1B7C9B97CBE485__
2018-03-06arnaudNF-PM1B1=700000, B2=13650000, E=6
2018-01-28TheJudgerNFno factor TF: 75-76
2017-12-25Brian BeuningNFno factor TF: 74-75
2017-05-27-anonymous-NFno factor TF: 73-74
2017-04-161997rj7NFno factor TF: 71-72
2017-04-161997rj7NFno factor TF: 72-73
2014-08-29Houd Al-ObaidliNFno factor TF: 70-71
2014-03-26SMoffatNFno factor TF: 69-70
2014-03-23SMoffatNFno factor TF: 68-69
2013-09-16Helmut KirrmaierNFno factor TF: 67-68
2011-03-09Michael CNFno factor TF: 66-67
2010-11-23Michael CNFno factor TF: 65-66
2010-11-23Michael CNFno factor TF: 64-65
2010-11-21Architects CubedNFno factor TF: 64-65