Marin Mersenne 2^P-1
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MnDetails
5657
Composite, with 2 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
218122607927.7old
3217938336134050035818512020193138002486281003166005316568959194.42024-02-02 19:18:09
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse68CD12EA37C972BF1013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk68CD12EA37C972BF1547013
Factored
No proof (small exponent)
2020-04-17Oliver KruseEE2D3A5945630D5B1398353
Verified
No proof (small exponent)
2024-02-02Anton TsvetkovPRP_PRP_PRP_PRP_2355413
Verified
No proof (small exponent)
2024-02-03DobriPRP_PRP_PRP_PRP_2131013
History
DateUserTypeResult
2024-02-03DobriP-PRPM5657/218122607/32179383361340500358185120201931380024862810031660053165689
PRP Cofactor
2024-02-02Anton TsvetkovP-PRPM5657/218122607/32179383361340500358185120201931380024862810031660053165689
PRP Cofactor
2024-02-02Ryan PropperF-ECMFactor: 32179383361340500358185120201931380024862810031660053165689 / ECM curve 13, B1=260000000, B2=7300371108030, Edwards Sigma=4418081174298538
2023-07-16-anonymous-NF-PM1B1=44000000000, B2=181125525847266000
2022-01-24Ethan O'ConnorNF-PM1B1=1300000000
2021-12-17Oliver KruseNF-PM1B1=1000000000, B2=1002106985940060
2021-12-14ANONYMOUSNF-PM1B1=1000000, B2=57609844101810
2020-04-17Oliver KruseC-PRPM5657/218122607 : EE2D3A5945630D5B
2017-10-12kkmrkkblmbrbkC-PRPM5657/218122607 : 68CD12EA37C972BF
2017-09-21Oliver KruseC-PRPM5657/218122607 : 68CD12EA37C972BF
2017-09-21Oliver KruseC-PRPM5657/218122607 : 68CD12EA37C972BF