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
332198639
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3000000
B2 = 79500000
LL
StatusDateUserResidueShiftSoftware
Unverified2021-02-16IIRyskII734F3B8FD5E063__255476774Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2021-02-16IIRyskIIC-LL734F3B8FD5E063__
2020-08-22Albrecht HeefferNFno factor TF: 80-81
2020-08-21Albrecht HeefferNFno factor TF: 79-80
2015-06-23aurashiftNF-PM1B1=3000000, B2=79500000, E=12
2011-02-24amphoriaNFno factor TF: 78-79
2011-02-24amphoriaNFno factor TF: 77-78
2011-02-24amphoriaNFno factor TF: 76-77
2011-01-17Christian GeschwentnerNFno factor TF: 75-76
2009-01-15Davis KrastinsNFno factor TF: 74-75
2008-12-31Davis KrastinsNFno factor TF: 73-74
2008-12-25Davis KrastinsNFno factor TF: 72-73
2008-12-22Team_InspectorNFno factor TF: 71-72
2008-12-20Team_InspectorNFno factor TF: 70-71
2008-10-29Team_InspectorNFno factor TF: 69-70
2008-10-29Team_InspectorNFno factor TF: 68-69