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

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MnStatusDetails
159839Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
319679618.3old
4884126704271173463744278412788.72015-06-05 09:23:11
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000169 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse8ADED5A61BB099C52013
Verified2017-09-22Oliver Kruse8ADED5A61BB099C52013
Verified2017-11-06kkmrkkblmbrbk8ADED5A61BB099C524888213
Verified2020-04-17Oliver Kruse7C1990DD1CA8E87E24569553
Verified (Factored)2022-05-12Jorge Coveiro7C1990DD1CA8E87E1504953
Verified2024-02-03Wentao Huang7C1990DD1CA8E87E29293253
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M159839/319679/488412670427117346374427841 : 7C1990DD1CA8E87E
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-12Jorge CoveiroC-PRP
M159839/319679 : 7C1990DD1CA8E87E
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2020-04-17Oliver KruseC-PRP
M159839/319679/488412670427117346374427841 : 7C1990DD1CA8E87E
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M159839/319679/488412670427117346374427841 : 8ADED5A61BB099C5
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M159839/319679/488412670427117346374427841 : 8ADED5A61BB099C5
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M159839/319679/488412670427117346374427841 : 8ADED5A61BB099C5
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M159839/319679/488412670427117346374427841 : 8ADED5A61BB099C5
PRP without proof (not generated)
2017-01-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2015-06-05TJAOIF-ECM
Factor: 488412670427117346374427841 / (ECM curve 69, B1=50000, B2=5000000)