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
332293253
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 1564000
B2 = 354419940
LL
StatusDateUserResidueShiftSoftware
Unverified2021-07-21Christoph Köhn63A7BD5017D844__136270497Linux 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-28Mark RoseNF-PM1B1=1564000, B2=354419940
2021-07-21Christoph KöhnC-LL63A7BD5017D844__
2020-02-17MadPoo 🙂NF-PM1B1=100000, B2=1000000
2019-04-17MadPoo 🙂NF-PM1B1=100000
2016-06-28dh1NFno factor TF: 80-81
2016-06-28dh1NFno factor TF: 79-80
2016-06-28dh1NFno factor TF: 78-79
2016-06-28dh1NFno factor TF: 77-78
2016-06-28dh1NFno factor TF: 76-77
2015-06-18Team_InspectorNFno factor TF: 75-76
2014-11-07Team_InspectorNFno factor TF: 74-75
2014-08-19Team_InspectorNFno factor TF: 73-74
2013-01-13LaurVNFno factor TF: 72-73
2011-05-03Christian GeschwentnerNFno factor TF: 71-72
2009-12-24vats09NFno factor TF: 70-71
2009-12-23vats09NFno factor TF: 69-70
2009-07-16SunfishNFno factor TF: 68-69