Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1232069Factored
FactorDigitsBitsDate
104193741178956363516712373.12014-01-14 11:29:15
ECM
DigitsB1Curves
2550000280 / 280
30250000104 / 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)John LyonE5CB3318CB5308BA0
Verified (Factored)Cornelius CaesarE5CB3318CB5308BA0
Verified (Factored)apimacE5CB3318CB5308BA0
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse4930481949E9CD9C1013
Verified2017-10-19kkmrkkblmbrbk4930481949E9CD9C115015113
History
DateUserTypeResult
2022-04-13LordJuliusNF
no factor from 2^63 to 2^64
2022-04-13LordJuliusNF
no factor from 2^62 to 2^63
2022-04-13LordJuliusNF
no factor from 2^61 to 2^62
2022-04-13LordJuliusNF
no factor from 2^1 to 2^61
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2017-10-19kkmrkkblmbrbkC-PRP
M1232069/10419374117895636351671 : 4930481949E9CD9C
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1232069/10419374117895636351671 : 4930481949E9CD9C
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2014-01-14jim f in mnF-ECM
Factor: 10419374117895636351671
2013-09-30David CampeauNF-PM1
B1=1205000, B2=34945000, E=12
2012-10-21dbaughNF
no factor from 2^62 to 2^63
2012-09-13AxelssonNF
no factor from 2^61 to 2^62
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61