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
332212583
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2900000
B2 = 63075000
LL
StatusDateUserResidueShiftSoftware
Unverified2013-04-20Ruslan Kipkeev6703A89DA96C07__164606565Windows 64-bit,Prime95,v27.9,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-14Mark RoseNFno factor TF: 80-81
2023-02-14Mark RoseNFno factor TF: 79-80
2013-04-20Ruslan KipkeevC-LL6703A89DA96C07__
2012-01-17Ruslan KipkeevNF-PM1B1=2900000, B2=63075000
2010-09-06TheJudgerNFno factor TF: 78-79
2010-09-06TheJudgerNFno factor TF: 77-78
2010-09-06TheJudgerNFno factor TF: 76-77
2010-09-06TheJudgerNFno factor TF: 75-76
2010-09-06TheJudgerNFno factor TF: 74-75
2010-09-06TheJudgerNFno factor TF: 73-74
2010-02-05TydusNFno factor TF: 72-73
2010-01-28Team_InspectorNFno factor TF: 71-72
2010-01-26Team_InspectorNFno factor TF: 70-71
2009-07-11Team_InspectorNFno factor TF: 69-70
2009-07-11Team_InspectorNFno factor TF: 68-69