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
950023Factored
FactorDigitsBitsDate
1708684236132150944392167.22014-09-15 11:33:59
36297682336365750418012271.6old
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.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-05Oliver KruseBCED312B756629BF2013
Verified2017-10-15Oliver KruseBCED312B756629BF251891513
Verified2017-12-23ATHBCED312B756629BF246733013
Unverified (Reliable)2020-04-24Oliver KruseA903B41F61588A__275227353
P-1 factors
DateFactorB1B2
2014-09-151708684236132150944392000005000000
History
DateUserTypeResult
2022-12-14USAFSSNF-PM1
B1=1250000, B2=2527832580
2020-04-24Oliver KruseC-PRP
M950023/170868423613215094439/3629768233636575041801 : A903B41F61588A__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-23ATHC-PRP
M950023/170868423613215094439/3629768233636575041801 : BCED312B756629BF
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-15Oliver KruseC-PRP
M950023/3629768233636575041801/170868423613215094439 : BCED312B756629BF
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-05Oliver KruseC-PRP
M950023/3629768233636575041801/170868423613215094439 : BCED312B756629BF
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M950023/3629768233636575041801/170868423613215094439 : BCED312B756629BF
PRP without proof (not generated)
2014-09-15alpertronF-PM1
Factor: 170868423613215094439 / (P-1, B1=200000, B2=5000000, E=6)