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
4412459Factored
FactorDigitsBitsDate
458895737928.8old
146276281069671443.72008-09-07 23:40:51
59223596159981931652.42014-08-07 10:42:53
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-17Oliver Kruse497851FECFFBA92A3384538653
Verified2017-12-31kkmrkkblmbrbk497851FECFFBA92A315355253
P-1 factors
DateFactorB1B2
2021-04-113975417164474730405867044303817048004728000445000
History
DateUserTypeResult
2023-03-14USAFSSNF-PM1
B1=224000, B2=114813270
2021-04-11Dylan DelgadoF-PM1
Factor: 39754171644747304058670443038170480047 / (P-1, B1=28000, B2=445000)
2017-12-31kkmrkkblmbrbkC-PRP
M4412459/458895737/14627628106967/5922359615998193 : 497851FECFFBA92A
PRP: Verified
PRP without proof (not generated)
2017-11-17Oliver KruseC-PRP
M4412459/458895737/14627628106967/5922359615998193 : 497851FECFFBA92A
PRP: Verified
PRP without proof (not generated)
2014-08-07TJAOIF
Factor: 5922359615998193
2008-09-07Will EdgingtonF
Factor: 14627628106967