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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MnStatusDetails
2490329Composite, with 7 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
19922633824.2old
34864607825.12008-07-14 20:24:18
50136897238571342.22008-07-14 20:24:18
286444415274891444.72008-09-30 14:37:06
4673984108132356091858.72015-09-24 11:38:25
3012429382296334104493212478.02018-10-14 17:53:59
4277667341715204321150732478.52023-01-09 05:01:50
ECM
DigitsB1Curves
2550000280 / 280
30250000295 / 640
Estimated T-Level: 27.3 ⓘ
TF below 2^86 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-14Oliver Kruse2323DC5959A85B075156123953
Verified (Factored)2017-11-30Yizhe Huang2323DC5959A85B075135148853
Verified (Factored)2018-10-15Oliver Kruse2323DC5959A85B076173846753
Verified2023-01-09SRJ28772323DC5959A85B077150316853
P-1 factors
DateFactorB1B2
2018-10-14301242938229633410449321200000060000000
History
DateUserTypeResult
2024-05-25Anton TsvetkovNF-PM1
B1=100000000, B2=200009308590
2023-01-09curtiscCERT
PRP Certification
Proof certified good
2023-01-09SRJ2877C-PRP
M2490329/19922633/34864607/5013689723857/28644441527489/467398410813235609/301242938229633410449321/427766734171520432115073 : 2323DC5959A85B07
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-09SRJ2877F-ECM
Factor: 427766734171520432115073
2018-10-15Oliver KruseC-PRP
M2490329/19922633/34864607/5013689723857/28644441527489/467398410813235609/301242938229633410449321 : 2323DC5959A85B07
PRP: Verified (Factored)
PRP without proof (not generated)
2018-10-14alpertronF-PM1
Factor: 301242938229633410449321 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-30Yizhe HuangC-PRP
M2490329/19922633/34864607/5013689723857/28644441527489/467398410813235609 : 2323DC5959A85B07
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2490329/19922633/34864607/5013689723857/28644441527489/467398410813235609 : 2323DC5959A85B07
PRP: Verified (Factored)
PRP without proof (not generated)
2015-09-24TJAOIF
Factor: 467398410813235609 / TF: 58-59
2008-09-30markrF
Factor: 28644441527489
2008-07-14George WoltmanF-ECM
Factor: 5013689723857
2008-07-14George WoltmanF-ECM
Factor: 34864607