Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
3167Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
12237289823.5old
167864685747131443.9old
4491337548540624435132491932473016735115.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000015340 / 40830
Estimated T-Level: 51.9
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse72611F347AEEDCC03013
Verified2017-10-02kkmrkkblmbrbk72611F347AEEDCC03013
Verified2017-12-07ATH72611F347AEEDCC03203213
Verified2020-04-17Oliver Kruse60719176BCA6C7EA3140653
Verified2024-02-03Wentao Huang60719176BCA6C7EA3312053
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M3167/12237289/16786468574713/44913375485406244351324919324730167 : 60719176BCA6C7EA
PRP: Verified
PRP without proof (small exponent)
2022-04-06mikrNF-PM1
B1=70000000000, B2=367004699921960100
2021-07-09ViliamFNF-PM1
B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M3167/12237289/16786468574713/44913375485406244351324919324730167 : 60719176BCA6C7EA
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M3167/12237289/16786468574713/44913375485406244351324919324730167 : 72611F347AEEDCC0
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M3167/12237289/16786468574713/44913375485406244351324919324730167 : 72611F347AEEDCC0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3167/known_factors : 72611F347AEEDCC0
PRP without proof (not generated)