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
937841Factored
FactorDigitsBitsDate
6081406962472690370764632479.02009-09-14 03:04:47
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 Slowinski9670
Verified (Factored)Herb SavageAE0EDC17509D09670
Verified (Factored)2001-12-01Marc Getty / Phil FizurAE0EDC17509D0967518781
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver Kruse0586D07B3D57E4041013
Verified2017-10-15Oliver Kruse0586D07B3D57E404155418613
Verified2017-12-21ATH0586D07B3D57E404157448713
Unverified (Reliable)2020-04-23Oliver Kruse570ED5834065D0__166508453
History
DateUserTypeResult
2020-04-23Oliver KruseC-PRP
M937841/608140696247269037076463 : 570ED5834065D0__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-21ATHC-PRP
M937841/608140696247269037076463 : 0586D07B3D57E404
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-15Oliver KruseC-PRP
M937841/608140696247269037076463 : 0586D07B3D57E404
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M937841/608140696247269037076463 : 0586D07B3D57E404
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=200000, B2=5000000, E=6
2009-09-14JimBaF-ECM
Factor: 608140696247269037076463