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
48761711
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 545000
B2 = 9946250
LL
StatusDateUserResidueShiftSoftware
Bad2010-05-21Choi4KANG6FF97CAC89BA480345668973Windows,Prime95,v25.11,build 2
Verified2015-11-05Architects Cubed13084FC450E8B0D626009793Linux 64-bit,Prime95,v27.9,build 1
Verified2016-08-22AirSquirrels13084FC450E8B0D618416387CUDALucas v2.05.1
History
DateUserTypeResult
2017-12-23Mark RoseNFno factor TF: 72-73
2016-08-22AirSquirrelsC-LL13084FC450E8B0D6
2015-11-05Architects CubedC-LL13084FC450E8B0D6
2015-08-16AirSquirrelsNFno factor TF: 71-72
2015-08-14LaurVNFno factor TF: 70-71
2015-08-10Architects CubedNFno factor TF: 69-70
2010-05-21Choi4KANGC-LL6FF97CAC89BA4803
2010-04-06Choi4KANGNF-PM1B1=545000, B2=9946250
2008-06-22-anonymous-NFno factor TF: 1-69
2003-06-09Thomas MullenNFno factor TF: 1-59