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
467431Factored
FactorDigitsBitsDate
2130721655320455557753295132787.52009-10-24 20:23:28
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski10ED0
Verified (Factored)Klaus Kastens46F1E4659988D0ED0
Verified (Factored)Carlo Maas46F1E4659988D0ED0
Verified (Factored)Eivind Triel46F1E4659988D0ED74830
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-25Oliver KruseEC5B1AA8A831C4731013
Verified2017-09-27Oliver KruseEC5B1AA8A831C4731013
Verified2017-11-07kkmrkkblmbrbkEC5B1AA8A831C473143400913
Unverified (Reliable)2020-04-18Oliver Kruse5491F8983B008C__12436353
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-18Oliver KruseC-PRP
M467431/213072165532045555775329513 : 5491F8983B008C__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-07kkmrkkblmbrbkC-PRP
M467431/213072165532045555775329513 : EC5B1AA8A831C473
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M467431/213072165532045555775329513 : EC5B1AA8A831C473
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-25Oliver KruseC-PRP
M467431/213072165532045555775329513 : EC5B1AA8A831C473
PRP: Unverified (Reliable)
PRP without proof (not generated)
2009-10-24JimBaF-ECM
Factor: 213072165532045555775329513
2009-08-27Carsten KossendeyNF-PM1
B1=467431