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
4768583Factored
FactorDigitsBitsDate
8626668301170678791859.6old
2333494205625915952872167.72019-07-14 11:12:26
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-20kkmrkkblmbrbk342E63974B3DFF951013
Verified (Factored)2018-03-19trebor342E63974B3DFF951364788613
Verified2019-07-15Niels_Mache_Nextcloud4D259593930C85832225540053
Verified2019-07-16kkmrkkblmbrbk4D259593930C85832352975153
History
DateUserTypeResult
2023-10-10USAFSSNF-PM1
B1=240000, B2=91991760
2019-07-16kkmrkkblmbrbkC-PRP
M4768583/862666830117067879/233349420562591595287 : 4D259593930C8583
PRP: Verified
PRP without proof (not generated)
2019-07-15Niels_Mache_NextcloudC-PRP
M4768583/862666830117067879/233349420562591595287 : 4D259593930C8583
PRP: Verified
PRP without proof (not generated)
2019-07-14MarkSF-ECM
Factor: 233349420562591595287 / (ECM curve 2, B1=50000, B2=5000000)
2018-03-19treborC-PRP
M4768583/862666830117067879 : 342E63974B3DFF95
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4768583/862666830117067879 : 342E63974B3DFF95
PRP: Verified
PRP without proof (not generated)