Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
11317Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2444473721.2old
16568089824.02008-08-26 19:58:34
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse501731084E7A3F482013
Verified2017-10-12kkmrkkblmbrbk501731084E7A3F482537513
Verified2020-04-17Oliver Kruse81EBC60AE635A3C421036253
Verified2024-07-01kkmrkkblmbrbk81EBC60AE635A3C42839353
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11317/16568089/2444473 : 81EBC60AE635A3C4
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11317/2444473/16568089 : 81EBC60AE635A3C4
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M11317/2444473/16568089 : 501731084E7A3F48
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11317/2444473/16568089 : 501731084E7A3F48
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11317/2444473/16568089 : 501731084E7A3F48
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-26-Anonymous-F
Factor: 16568089