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
509843Factored
FactorDigitsBitsDate
1019687720.0old
914658343929.82008-07-21 09:20:45
178445050011134.12008-07-21 09:20:45
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-27Oliver Kruse296AF0EEE07C6B073013
Verified2017-09-28Oliver Kruse296AF0EEE07C6B073013
Verified2017-11-07kkmrkkblmbrbk296AF0EEE07C6B073497713
Unverified (Reliable)2020-04-19Oliver KruseEE58E90C9E7118__324272553
History
DateUserTypeResult
2022-12-15USAFSSNF-PM1
B1=2000000, B2=6733146420
2020-04-19Oliver KruseC-PRP
M509843/1019687/914658343/17844505001 : EE58E90C9E7118__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-07kkmrkkblmbrbkC-PRP
M509843/1019687/914658343/17844505001 : 296AF0EEE07C6B07
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M509843/1019687/17844505001/914658343 : 296AF0EEE07C6B07
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M509843/1019687/17844505001/914658343 : 296AF0EEE07C6B07
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=1500000, B2=50000000, E=12
2008-07-21J FeitsmaF
Factor: 914658343
2008-07-21J FeitsmaF
Factor: 17844505001