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
332205217
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2920000
B2 = 67890000
LL
StatusDateUserResidueShiftSoftware
Unverified2018-04-25Dariusz ChilimoniukF668DF3CBB5D9A__218670202Windows 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-09Mark RoseNFno factor TF: 80-81
2023-02-09Mark RoseNFno factor TF: 79-80
2023-02-09Mark RoseNFno factor TF: 78-79
2018-04-25Dariusz ChilimoniukC-LLF668DF3CBB5D9A__
2017-06-28Dariusz ChilimoniukNF-PM1B1=2920000, B2=67890000
2015-06-06srow7NFno factor TF: 77-78
2009-04-17Matthias EckoldtNFno factor TF: 76-77
2009-02-27Matthias EckoldtNFno factor TF: 75-76
2008-11-27Matthias EckoldtNFno factor TF: 74-75
2008-11-15Matthias EckoldtNFno factor TF: 73-74
2008-11-09Matthias EckoldtNFno factor TF: 72-73
2008-11-07Matthias EckoldtNFno factor TF: 71-72
2008-11-04Matthias EckoldtNFno factor TF: 70-71
2008-11-03Matthias EckoldtNFno factor TF: 69-70
2008-11-03Matthias EckoldtNFno factor TF: 68-69