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
46818137
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 16511250
LL
StatusDateUserResidueShiftSoftware
Verified2010-03-05MCAS690321534E4817F139275605Linux 32-bit,Prime95,v25.8,build 4
Verified2019-03-20Syntony690321534E4817F127484345Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2019-03-20SyntonyC-LL690321534E4817F1
2017-10-29TheJudgerNFno factor TF: 72-73
2015-12-04-anonymous-NFno factor TF: 71-72
2015-09-22Mark RoseNFno factor TF: 70-71
2015-05-30David CampeauNFno factor TF: 69-70
2014-09-05VictordeHollanderNFno factor TF: 68-69
2010-03-05MCASC-LL690321534E4817F1
2009-12-17MCASNF-PM1B1=555000, B2=16511250
2008-03-03Team Prime RibNFno factor TF: 1-68