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
240479Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
480959618.9old
1923833720.92008-07-21 09:14:42
11134902554726370929772269.92014-08-15 10:41:48
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000253 / 1566
Estimated T-Level: 30.8
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseA2BF31FC95F9B8B43013
Verified2017-10-12kkmrkkblmbrbkA2BF31FC95F9B8B432306113
Verified2020-04-17Oliver KruseEB26B8001850885A320387853
Verified (Factored)2022-05-12Jorge CoveiroEB26B8001850885A17748653
Verified2024-02-03Wentao HuangEB26B8001850885A315559653
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M240479/480959/1923833/1113490255472637092977 : EB26B8001850885A
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-12Jorge CoveiroC-PRP
M240479/480959 : EB26B8001850885A
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2022-04-06Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-07-24Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M240479/480959/1923833/1113490255472637092977 : EB26B8001850885A
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M240479/480959/1923833/1113490255472637092977 : A2BF31FC95F9B8B4
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M240479/480959/1923833/1113490255472637092977 : A2BF31FC95F9B8B4
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M240479/480959/1923833/1113490255472637092977 : A2BF31FC95F9B8B4
PRP without proof (not generated)
2014-08-15TJAOIF-ECM
Factor: 1113490255472637092977
2008-07-21J FeitsmaF
Factor: 1923833