Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11384521Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
78138230927929424114374792582.72024-04-09 19:55:17
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-03-11Mike McCarthyEA0B965F3F78FBED2588592
Verified (Factored)2004-02-23Eugene Gogol'EA0B965F3F78FBED7049568
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2024-04-24Peter_JakubA34BB3AA56E8686A1533281853
P-1 factors
DateFactorB1B2
2024-04-09781382309279294241143747924200001681675710
History
DateUserTypeResult
2024-04-24Ken GCERT
PRP Certification
Proof certified good
2024-04-24Peter_JakubC-PRP
M11384521/7813823092792942411437479 : A34BB3AA56E8686A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-04-09MooMoo2F-PM1
Factor: 7813823092792942411437479 / (P-1, B1=2420000, B2=1681675710)
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-22Andrew BNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-05NesowaNF
no factor from 2^65 to 2^66
2014-07-17NesowaNF-PM1
B1=285000, B2=6911250, E=12
2013-11-18lycornNF
no factor from 2^64 to 2^65