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
71184691
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 1055000
B2 = 30595000
LL
StatusDateUserResidueShiftSoftware
Verified2017-02-10jbindl0B2059CF5BECBEE913298468Windows 64-bit,Prime95,v28.10,build 1
Verified2025-01-14denis cazor0B2059CF5BECBEE936207016Windows 32-bit,Prime95,v29.8,build 6
History
DateUserTypeResult
2025-01-14denis cazorC-LL
0B2059CF5BECBEE9
2017-02-10jbindlC-LL
0B2059CF5BECBEE9
2016-08-05-anonymous-NFno factor TF: 74-75
2014-12-26owftheevilNF-PM1B1=1055000, B2=30595000, E=6
2014-12-14TheJudgerNFno factor TF: 73-74
2014-12-14TheJudgerNFno factor TF: 72-73
2014-10-24Stef42NFno factor TF: 71-72
2014-04-23HBendtzNFno factor TF: 70-71
2013-04-10SMoffatNFno factor TF: 69-70
2010-08-15Hierogamous EnterprisesNFno factor TF: 68-69
2010-05-24KivNFno factor TF: 67-68
2010-05-23ANONYMOUSNFno factor TF: 66-67
2010-05-18unconnectedNFno factor TF: 65-66
2010-05-17dabunniesNFno factor TF: 64-65
2008-10-21Wojciech FlorekNFno factor TF: 1-64