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
79610189
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-090xD2026-01-092026-01-11
P-1
B1 = 655000
B2 = 12281250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-11-09MIS-ASUSG73s0369D220D83E99__13408199Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2017-11-09MIS-ASUSG73sC-LL0369D220D83E99__
2016-10-19La GüiraNF-PM1B1=655000, B2=12281250
2016-10-13dh1NFno factor TF: 75-76
2016-10-13dh1NFno factor TF: 74-75
2016-10-13Brian BeuningNFno factor TF: 73-74
2016-09-20RichD0NFno factor TF: 72-73
2016-02-26DerekNFno factor TF: 71-72
2013-05-31g0bNFno factor TF: 70-71
2013-02-20wangyun183NFno factor TF: 69-70
2012-04-14ITSNFno factor TF: 68-69
2011-04-17Carsten KossendeyNFno factor TF: 67-68
2011-04-17Carsten KossendeyNFno factor TF: 66-67
2011-01-28LingUaanNFno factor TF: 65-66
2010-11-29Architects CubedNFno factor TF: 64-65
2009-05-27Architects CubedNFno factor TF: 63-64