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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
17779067Factored
FactorDigitsBitsDate
384270500966638578850972375.02017-09-26 16:25:03
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Bad2003-05-19Adrian Goldsworthy2E1D286AAB72F76A10985207
Verified (Factored)2004-02-07C. Cooper / S. Boone60FAE2953F73D64817700878
Verified (Factored)2007-02-20Ars Technica Team Prime Rib60FAE2953F73D6481264085
History
DateUserTypeResult
2017-09-26ATHF-ECM
Factor: 38427050096663857885097 / (ECM curve 1, B1=50000, B2=5000000)
2016-03-19Mark RoseNF
no factor from 2^65 to 2^66
2014-08-23NesowaNF
no factor from 2^66 to 2^67