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
45111893
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 830000
B2 = 21000000
LL
StatusDateUserResidueShiftSoftware
Verified2010-06-18ANONYMOUS77B79377FC2CEED220630473Windows,Prime95,v25 beta,(aka Wd1)
Bad2017-02-25Xolotl000000000000000031366351Linux 64-bit,Prime95,v28.9,build 2
Bad2017-02-25Xolotl00000000000000003606925Linux 64-bit,Prime95,v28.9,build 2
Verified2017-02-26MadPoo 🙂77B79377FC2CEED234735386Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2024-05-23LOBESNFno factor TF: 69-70
2019-02-21riccardo ubertiNF-PM1B1=830000, B2=21000000, E=12
2018-06-15Robin89NFno factor TF: 72-73
2017-02-26MadPoo 🙂C-LL77B79377FC2CEED2
2017-02-25MadPoo 🙂NF-PM1B1=190000, B2=3135000, E=6
2017-02-25XolotlC-LLB9C62AD80BEC17__
2017-02-25XolotlC-LLB9C62AD80BEC17__
2015-11-04Stef42NFno factor TF: 71-72
2015-11-03VictordeHollanderNFno factor TF: 70-71
2015-08-24Carsten KossendeyNFno factor TF: 69-70
2014-07-19BodgeNFno factor TF: 68-69
2010-06-18ANONYMOUSC-LL77B79377FC2CEED2
2009-01-19ANONYMOUSNF-PM1B1=765000
2007-12-03-anonymous-NFno factor TF: 1-68
2007-01-161997rj7NFno factor TF: 1-63