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

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Exponent Range:










MnStatusDetails
12433Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
95462314631033.2old
57240212074300546743112272.32008-08-29 02:24:30
17615015894656094654236359626547223957178108945147.02023-05-11 11:25:43
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001290 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseA6DBC4C4A71412CE2013
Verified (Factored)2017-10-12kkmrkkblmbrbkA6DBC4C4A71412CE21063313
Verified (Factored)2020-04-17Oliver Kruse5E625FE4045359692895853
Verified2023-05-11Anton Repko5E625FE4045359693256053
Verified2023-05-11retsu5E625FE4045359693705953
Verified2023-05-11retsuBDDB2DD36419A8273149555
Verified2023-05-11retsuBDDB2DD36419A8273724155
Verified2023-05-11retsu5ED92C7D184EE25E3845957
Verified2023-05-11retsu5ED92C7D184EE25E31048757
P-1 factors
DateFactorB1B2
2023-05-11176150158946560946542363596265472239571781089100000000000120417199046794656
History
DateUserTypeResult
2023-05-11retsuC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : 5ED92C7D184EE25E
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : 5ED92C7D184EE25E
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : BDDB2DD36419A827
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : BDDB2DD36419A827
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : 5E625FE404535969
PRP: Verified
PRP without proof (small exponent)
2023-05-11Anton RepkoC-PRP
M12433/9546231463/5724021207430054674311/176150158946560946542363596265472239571781089 : 5E625FE404535969
PRP: Verified
PRP without proof (small exponent)
2023-05-11Anton RepkoF-PM1
Factor: 176150158946560946542363596265472239571781089 / (P-1, B1=100000000000, B2=120417199046794650)
2020-04-17Oliver KruseC-PRP
M12433/9546231463/5724021207430054674311 : 5E625FE404535969
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M12433/9546231463/5724021207430054674311 : A6DBC4C4A71412CE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12433/9546231463/5724021207430054674311 : A6DBC4C4A71412CE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12433/9546231463/5724021207430054674311 : A6DBC4C4A71412CE
PRP without proof (not generated)
2016-09-09kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 5724021207430054674311