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
332319881
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2340000
B2 = 21060000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-06-22irowikiE834254ECF0BA1__104884299Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-25Mark RoseNFno factor TF: 80-81
2019-06-22irowikiC-LLE834254ECF0BA1__
2018-10-31irowikiNF-PM1B1=2340000, B2=21060000
2016-04-01dh1NFno factor TF: 79-80
2016-04-01dh1NFno factor TF: 78-79
2016-04-01dh1NFno factor TF: 77-78
2016-04-01dh1NFno factor TF: 76-77
2016-02-14Team_InspectorNFno factor TF: 75-76
2015-03-21Team_InspectorNFno factor TF: 74-75
2013-11-10Team_InspectorNFno factor TF: 73-74
2011-08-29Grant McCrackenNFno factor TF: 72-73
2011-08-27Grant McCrackenNFno factor TF: 71-72
2011-05-28Grant McCrackenNFno factor TF: 70-71
2010-10-09SunfishNFno factor TF: 69-70
2009-09-06Team_InspectorNFno factor TF: 68-69