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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Exponent Range:










MnStatusDetails
156631Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
6790017393094711991859.22014-05-30 18:27:58
79330301704604212631962.8old
8601461380439763528972169.52014-05-30 18:27:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000172 / 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 Kruse02EB9B94A2E5741F3013
Verified2017-09-22Oliver Kruse02EB9B94A2E5741F3013
Verified2017-11-06kkmrkkblmbrbk02EB9B94A2E5741F36600513
Verified2020-04-17Oliver Kruse0D15FC24D7304BE433484953
Verified2024-02-03Wentao Huang0D15FC24D7304BE438671853
History
DateUserTypeResult
2024-02-03slaurCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M156631/7933030170460421263/860146138043976352897/679001739309471199 : 0D15FC24D7304BE4
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M156631/679001739309471199/7933030170460421263/860146138043976352897 : 0D15FC24D7304BE4
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M156631/679001739309471199/7933030170460421263/860146138043976352897 : 02EB9B94A2E5741F
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M156631/7933030170460421263/860146138043976352897/679001739309471199 : 02EB9B94A2E5741F
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M156631/7933030170460421263/860146138043976352897/679001739309471199 : 02EB9B94A2E5741F
PRP without proof (not generated)
2016-12-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2014-05-30TJAOIF-ECM
Factor: 679001739309471199
2014-05-30TJAOIF-ECM
Factor: 860146138043976352897