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:










MnStatusDetails
790397Factored
FactorDigitsBitsDate
157841029983689113132063.82009-09-14 01:29:04
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski33730
Verified (Factored)Cornelius CaesarF38A3D6082F233730
Verified (Factored)Klaus KastensF38A3D6082F23373278630
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver Kruse6B4086F6C8AA6D991013
Verified2017-10-13Oliver Kruse6B4086F6C8AA6D99161573813
Verified2017-12-17ATH6B4086F6C8AA6D99168664313
Unverified (Reliable)2020-04-21Oliver Kruse5C3B735A59404F__178009153
History
DateUserTypeResult
2020-04-21Oliver KruseC-PRP
M790397/15784102998368911313 : 5C3B735A59404F__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-17ATHC-PRP
M790397/15784102998368911313 : 6B4086F6C8AA6D99
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M790397/15784102998368911313 : 6B4086F6C8AA6D99
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M790397/15784102998368911313 : 6B4086F6C8AA6D99
PRP: Unverified (Reliable)
PRP without proof (not generated)
2009-09-14JimBaF-ECM
Factor: 15784102998368911313
2008-10-11Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-11Sturle SundeNF
no factor from 2^58 to 2^59