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
44682527
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 272
P-1
B1 = 800000
B2 = 21000000
LL
StatusDateUserResidueShiftSoftware
Bad2011-12-11Christian Geschwentner83D8A4A3F798BD9C38884175Linux 64-bit,Prime95,v26.6,build 3
Verified2018-04-13riccardo ubertiFDC5E92D62148ABD43945505Linux 64-bit,Prime95,v29.4,build 8
Verified2018-05-14ATHFDC5E92D62148ABD22343415CUDALucas v2.05.1
History
DateUserTypeResult
2020-11-27Sid & AndyNFno factor TF: 74-75
2019-12-20-anonymous-NFno factor TF: 73-74
2018-05-14ATHC-LLFDC5E92D62148ABD
2018-04-13riccardo ubertiC-LLFDC5E92D62148ABD
2018-04-01riccardo ubertiNF-PM1B1=800000, B2=21000000, E=12
2018-03-07Andrew BNFno factor TF: 72-73
2015-10-10-anonymous-NFno factor TF: 71-72
2015-09-20NumberwangNFno factor TF: 70-71
2011-12-11Christian GeschwentnerC-LL83D8A4A3F798BD9C
2011-10-28Christian GeschwentnerNFno factor TF: 69-70
2011-10-28Christian GeschwentnerNFno factor TF: 68-69
2011-07-09Mr P-1NF-PM1B1=535000, B2=13642500
2007-12-03ITSNFno factor TF: 1-68