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
332247973
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2830000
B2 = 68627500
LL
StatusDateUserResidueShiftSoftware
Unverified2016-08-24aurashift7E66FB5267C5C5__179385770Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-18Mark RoseNFno factor TF: 80-81
2016-08-24aurashiftC-LL7E66FB5267C5C5__
2015-04-14Craig MeyersNF-PM1B1=2830000, B2=68627500, E=12
2012-08-05c10ck3rNF-PM1B1=10000, B2=25000
2010-12-05TheJudgerNFno factor TF: 79-80
2010-12-05TheJudgerNFno factor TF: 78-79
2010-12-05TheJudgerNFno factor TF: 77-78
2010-12-05TheJudgerNFno factor TF: 76-77
2010-12-05TheJudgerNFno factor TF: 75-76
2009-11-05yszhangNFno factor TF: 74-75
2009-10-27yszhangNFno factor TF: 73-74
2009-04-18enkrypt3dNFno factor TF: 72-73
2009-04-17enkrypt3dNFno factor TF: 71-72
2009-04-16enkrypt3dNFno factor TF: 70-71
2009-04-01Team_InspectorNFno factor TF: 69-70
2009-02-21Team_InspectorNFno factor TF: 68-69