Marin Mersenne 2^P-1
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Exponent Range:










MnStatusDetails
101141Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
33530191498491341.6old
14545781439801191650.42009-01-25 15:06:18
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000782 / 1566
Estimated T-Level: 32.5 ⓘ
TF below 2^103 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse8276CCAFB15D65E22013
Verified2017-09-22Oliver Kruse8276CCAFB15D65E22013
Verified2017-11-06kkmrkkblmbrbk8276CCAFB15D65E225750013
Verified2020-04-17Oliver KruseB8991D408E33FB3528124853
Verified2022-04-15LordJuliusB8991D408E33FB3521457353
History
DateUserTypeResult
2022-12-08LordJuliusNF
no factor from 2^64 to 2^65
2022-12-08LordJuliusNF
no factor from 2^63 to 2^64
2022-12-08LordJuliusNF
no factor from 2^62 to 2^63
2022-04-15LordJuliusC-PRP
M101141/3353019149849/1454578143980119 : B8991D408E33FB35
PRP: Verified
PRP without proof (small exponent)
2022-04-13LordJuliusNF
no factor from 2^61 to 2^62
2022-04-13LordJuliusNF
no factor from 2^60 to 2^61
2022-04-13LordJuliusNF
no factor from 2^59 to 2^60
2022-04-13LordJuliusNF
no factor from 2^58 to 2^59
2022-04-13LordJuliusNF
no factor from 2^57 to 2^58
2021-12-17Seth_TrNF-PM1
B1=1000000000, B2=6544247689980
2020-04-17Oliver KruseC-PRP
M101141/3353019149849/1454578143980119 : B8991D408E33FB35
PRP: Verified
PRP without proof (small exponent)
2018-11-02J.R. AllenNF
no factor from 2^59 to 2^60
2018-11-02J.R. AllenNF
no factor from 2^58 to 2^59
2018-11-02J.R. AllenNF
no factor from 2^57 to 2^58
2018-10-25J.R. AllenNF
no factor from 2^52 to 2^57
2017-11-06kkmrkkblmbrbkC-PRP
M101141/3353019149849/1454578143980119 : 8276CCAFB15D65E2
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M101141/3353019149849/1454578143980119 : 8276CCAFB15D65E2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M101141/3353019149849/1454578143980119 : 8276CCAFB15D65E2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M101141/3353019149849/1454578143980119 : 8276CCAFB15D65E2
PRP without proof (not generated)
2016-11-02kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-01-25George WoltmanF
Factor: 1454578143980119