Marin Mersenne 2^P-1
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MnStatusDetails
11641033Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
399520252571135.2old
17546105455920101131672270.62024-12-01 09:33:09
258535610146318849311832374.52025-01-21 19:25:53
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2021-10-01oodaira274D5809E37F264C170048553
Verified (Factored)2024-12-01yuriy_5-1274D5809E37F264C2472783653
Verified2025-01-24yuriy_5-1274D5809E37F264C3620207053
P-1 factors
DateFactorB1B2
2025-01-21258535610146318849311832328206302290560
History
DateUserTypeResult
2025-06-10yuriy_5-1F
Factor: 1754610545592010113167 / TF: 70-71
2025-03-10yuriy_5-1NF-PM1
B1=6984618, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4656412, B2=598008840
2025-01-24Jonathan WebbCERT
PRP Certification
Proof certified good
2025-01-24yuriy_5-1C-PRP
M11641033/39952025257/1754610545592010113167/25853561014631884931183 : 274D5809E37F264C
PRP proof power = 8
PRP: Verified
Proof certified good
2025-01-21yuriy_5-1F-PM1
Factor: 25853561014631884931183 / (P-1, B1=2328206, B2=302290560)
2024-12-01XyzzyCERT
PRP Certification
Proof certified good
2024-12-01yuriy_5-1C-PRP
M11641033/39952025257/1754610545592010113167 : 274D5809E37F264C
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2024-12-01yuriy_5-1NF
no factor from 2^69 to 2^70
2024-12-01yuriy_5-1NF
no factor from 2^68 to 2^69
2024-12-01yuriy_5-1F-ECM
Factor: 1754610545592010113167 / (ECM curve 1, B1=65536, B2=12560790, Edwards Sigma=6391554806510772181)
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-01curtiscCERT
PRP Certification
Proof certified good
2021-10-01oodairaC-PRP
M11641033/39952025257 : 274D5809E37F264C
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good