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
46939621
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 800000
B2 = 800000
LL
StatusDateUserResidueShiftSoftware
Verified2010-01-29Robert Walker61C7236489FB6CFD6721811Windows 64-bit,Prime95,v25.9,build 4
Verified2019-03-12-anonymous-61C7236489FB6CFD25906546Windows,Prime95,v25.11,build 2
History
DateUserTypeResult
2019-03-12-anonymous-C-LL61C7236489FB6CFD
2017-10-30Matthias WurtingerNFno factor TF: 72-73
2015-11-20-anonymous-NFno factor TF: 71-72
2015-07-02Mark RoseNFno factor TF: 70-71
2015-05-22LaurVNFno factor TF: 69-70
2014-09-07VictordeHollanderNFno factor TF: 68-69
2010-01-29Robert WalkerC-LL61C7236489FB6CFD
2008-12-13-anonymous-NF-PM1B1=800000
2008-03-03PrimeCruncherNFno factor TF: 1-68