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

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MnStatusDetails
484769Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2119516717191237.6old
62187946732482171652.52014-08-11 10:24:08
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 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
Verified2017-09-26Oliver Kruse94C3B216927F60FC2013
Verified2017-09-27Oliver Kruse94C3B216927F60FC2013
Verified2017-11-09kkmrkkblmbrbk94C3B216927F60FC23041113
Verified2020-04-18Oliver Kruse99DFCA994278726C237005053
Verified2024-11-26kkmrkkblmbrbk99DFCA994278726C236699353
History
DateUserTypeResult
2024-11-27XyzzyCERT
PRP Certification
Proof certified good
2024-11-26kkmrkkblmbrbkC-PRP
M484769/211951671719/6218794673248217 : 99DFCA994278726C
PRP proof power = 6
PRP: Verified
Proof certified good
2024-08-22cramsey87NF-PM1
B1=7000000, B2=42834594660
2020-04-18Oliver KruseC-PRP
M484769/211951671719/6218794673248217 : 99DFCA994278726C
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M484769/211951671719/6218794673248217 : 94C3B216927F60FC
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M484769/211951671719/6218794673248217 : 94C3B216927F60FC
PRP: Verified
PRP without proof (not generated)
2017-09-26Oliver KruseC-PRP
M484769/211951671719/6218794673248217 : 94C3B216927F60FC
PRP: Verified
PRP without proof (not generated)
2014-08-11TJAOIF
Factor: 6218794673248217