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
85007477
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13260000
LL
StatusDateUserResidueShiftSoftware
Verified2019-03-10zulian527EA5CAD28DA5AF67672332Windows 64-bit,Prime95,v28.5,build 2
Verified2026-01-13ViliamF527EA5CAD28DA5AF5547CUDALucas v2.06
History
DateUserTypeResult
2026-01-13ViliamFC-LL527EA5CAD28DA5AF
2019-03-10zulianC-LL527EA5CAD28DA5AF
2018-04-01Architects CubedNF-PM1B1=680000, B2=13260000, E=6
2017-07-12Mark RoseNFno factor TF: 75-76
2017-07-09Brian BeuningNFno factor TF: 74-75
2017-03-02-anonymous-NFno factor TF: 73-74
2017-03-02-anonymous-NFno factor TF: 71-72
2017-03-02-anonymous-NFno factor TF: 72-73
2013-07-20ebravickNFno factor TF: 70-71
2013-06-19SMoffatNFno factor TF: 69-70
2013-06-16SMoffatNFno factor TF: 68-69
2013-06-15SMoffatNFno factor TF: 67-68
2013-01-15E.LechnerNFno factor TF: 66-67
2012-09-01mrozo009NFno factor TF: 65-66
2010-11-23Architects CubedNFno factor TF: 64-65