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
332198357
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 282
TF target 281
P-1
B1 = 3000000
B2 = 79500000
LL
StatusDateUserResidueShiftSoftware
Unverified2022-04-01Joerg DittmarAF28F5CAC6CD51__196088952Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2022-04-01Joerg DittmarC-LLAF28F5CAC6CD51__
2020-08-24Albrecht HeefferNFno factor TF: 81-82
2020-08-13Albrecht HeefferNFno factor TF: 80-81
2020-08-12Albrecht HeefferNFno factor TF: 79-80
2015-06-20aurashiftNF-PM1B1=3000000, B2=79500000, E=12
2010-10-17amphoriaNFno factor TF: 78-79
2010-10-17amphoriaNFno factor TF: 77-78
2010-10-17amphoriaNFno factor TF: 76-77
2010-10-17amphoriaNFno factor TF: 75-76
2009-11-08SunfishNFno factor TF: 74-75
2009-11-02SunfishNFno factor TF: 73-74
2009-10-30SunfishNFno factor TF: 72-73
2009-10-29SunfishNFno factor TF: 71-72
2009-01-14Team_InspectorNFno factor TF: 70-71
2008-10-28Team_InspectorNFno factor TF: 69-70
2008-10-28Team_InspectorNFno factor TF: 68-69