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
332223601
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2860000
B2 = 75075000
LL
StatusDateUserResidueShiftSoftware
Unverified2016-09-28-anonymous-901E0847811670__277658439Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-13Mark RoseNFno factor TF: 80-81
2023-02-13Mark RoseNFno factor TF: 79-80
2016-09-28-anonymous-C-LL901E0847811670__
2015-12-11aurashiftNF-PM1B1=2860000, B2=75075000, E=12
2015-10-29NRNFno factor TF: 78-79
2015-10-29NRNFno factor TF: 77-78
2015-08-21Grant McCrackenNFno factor TF: 76-77
2013-01-20c10ck3rNFno factor TF: 75-76
2012-11-29Team_InspectorNFno factor TF: 74-75
2010-09-02Team_InspectorNFno factor TF: 73-74
2010-08-30Team_InspectorNFno factor TF: 72-73
2009-12-19Team_InspectorNFno factor TF: 71-72
2009-03-28Team_InspectorNFno factor TF: 70-71
2009-03-03Team_InspectorNFno factor TF: 69-70
2008-12-19Team_InspectorNFno factor TF: 68-69