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
479533Factored
FactorDigitsBitsDate
7672529722.9old
5974559190971239.12008-07-21 09:20:08
50573412331140300217625532582.12020-10-16 08:04:45
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.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-26Oliver KruseE4F88917841FED822013
Verified (Factored)2017-09-27Oliver KruseE4F88917841FED822013
Verified (Factored)2017-11-09kkmrkkblmbrbkE4F88917841FED82228336213
Verified (Factored)2020-04-18Oliver Kruse75475621B46B1DC128426953
Verified2020-10-16M Miller75475621B46B1DC1330298753
History
DateUserTypeResult
2020-10-16curtiscCERT
PRP Certification
Proof certified good
2020-10-16M MillerC-PRP
M479533/7672529/597455919097/5057341233114030021762553 : 75475621B46B1DC1
PRP proof power = 6
PRP: Verified
Proof certified good
2020-10-16TJAOIF-ECM
Factor: 5057341233114030021762553 / (ECM curve 96, B1=250000, B2=25000000)
2020-04-18Oliver KruseC-PRP
M479533/7672529/597455919097 : 75475621B46B1DC1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M479533/7672529/597455919097 : E4F88917841FED82
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M479533/7672529/597455919097 : E4F88917841FED82
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-26Oliver KruseC-PRP
M479533/7672529/597455919097 : E4F88917841FED82
PRP: Verified (Factored)
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 597455919097