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
44987071
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 525000
B2 = 10106250
LL
StatusDateUserResidueShiftSoftware
Verified2009-11-25Kyle Z Schmidt302FC96B61ACB5E430200300Windows,Prime95,v24 final,(aka Wc1)
Verified2018-05-27Richard_Otter302FC96B61ACB5E427856095Linux 64-bit,Prime95,v29.4,build 5
History
DateUserTypeResult
2018-05-27Richard_OtterC-LL302FC96B61ACB5E4
2018-03-04Kevin JagetNFno factor TF: 72-73
2015-10-10-anonymous-NFno factor TF: 71-72
2015-08-27LaurVNFno factor TF: 70-71
2014-07-14BodgeNFno factor TF: 69-70
2014-07-14BodgeNFno factor TF: 68-69
2009-11-25Kyle Z SchmidtC-LL302FC96B61ACB5E4
2009-10-11Kyle Z SchmidtNF-PM1B1=525000, B2=10106250
2007-11-17RMAC9.5NFno factor TF: 1-68