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
44436443
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 800000
B2 = 21000000
LL
StatusDateUserResidueShiftSoftware
Bad2012-01-13Christian Geschwentner6DE0E9F066E74D9F7726157Linux 64-bit,Prime95,v26.6,build 3
Verified2018-04-09riccardo uberti870B01BD4081B2F641208680Linux 64-bit,Prime95,v29.4,build 8
Verified2018-05-13ATH870B01BD4081B2F63446CUDALucas v2.05.1
History
DateUserTypeResult
2018-05-13ATHC-LL870B01BD4081B2F6
2018-04-09riccardo ubertiC-LL870B01BD4081B2F6
2018-04-01riccardo ubertiNF-PM1B1=800000, B2=21000000, E=12
2018-03-25Matthias WurtingerNFno factor TF: 72-73
2015-10-02-anonymous-NFno factor TF: 71-72
2015-10-02-anonymous-NFno factor TF: 70-71
2012-01-13Christian GeschwentnerC-LL6DE0E9F066E74D9F
2011-10-28Christian GeschwentnerNFno factor TF: 69-70
2011-10-28Christian GeschwentnerNFno factor TF: 68-69
2009-10-09-anonymous-NF-PM1B1=750000
2007-12-03SyntonyNFno factor TF: 1-68
2006-06-13dave_0273NFno factor TF: 1-62