Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
45075623
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 430000
B2 = 8815000
LL
StatusDateUserResidueShiftSoftware
Bad2009-04-15curtisc2DFD9B455B2652DC9943209Windows Service,Prime95,v25.8,build 1
Bad2017-10-16Rayner Tan23496D9CE2E51D3739746694Windows 64-bit,Prime95,v28.7,build 1
Verified2017-10-18MadPoo 🙂EAA94AB55A94E9C235648373Windows 64-bit,Prime95,v29.3,(aka Wf4)
Verified2017-10-22proxy2222EAA94AB55A94E9C222028578Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2017-12-31ktonyNFno factor TF: 72-73
2017-10-22proxy2222C-LLEAA94AB55A94E9C2
2017-10-18MadPoo 🙂C-LLEAA94AB55A94E9C2
2017-10-16Rayner TanC-LL23496D9CE2E51D37
2012-02-25Jerry HallettNF-PM1B1=430000, B2=8815000, E=12
2012-01-18Craig MeyersNFno factor TF: 68-72
2009-04-15curtiscC-LL2DFD9B455B2652DC
2007-11-17ChuckNFno factor TF: 1-68
2007-03-201997rj7NFno factor TF: 1-63