Marin Mersenne 2^P-1
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MnStatusDetails
895159Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
246208921547838570424825432684.3old
236468446530972147266564468092994.32024-04-22 20:15:28
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-28Oliver Kruse4A8FF28E5852CBF11013
Verified (Factored)2017-10-14Oliver Kruse4A8FF28E5852CBF1136300313
Verified (Factored)2017-12-19ATH4A8FF28E5852CBF1170942313
Verified (Factored)2020-04-22Oliver KruseEB6CFDE35FF9B5B0185311953
Verified2024-04-22Anton TsvetkovEB6CFDE35FF9B5B0242620553
P-1 factors
DateFactorB1B2
2024-04-222364684465309721472665644680980000008000000
History
DateUserTypeResult
2024-04-23Chun sung sooCERT
PRP Certification
Proof certified good
2024-04-22Anton TsvetkovC-PRP
M895159/24620892154783857042482543/23646844653097214726656446809 : EB6CFDE35FF9B5B0
PRP proof power = 6
PRP: Verified
Proof certified good
2024-04-22Anton TsvetkovNF-PM1
B1=8000000, B2=10086393240
2024-04-22Anton TsvetkovF-PM1
Factor: 23646844653097214726656446809 / (P-1, B1=8000000)
2020-04-22Oliver KruseC-PRP
M895159/24620892154783857042482543 : EB6CFDE35FF9B5B0
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-19ATHC-PRP
M895159/24620892154783857042482543 : 4A8FF28E5852CBF1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-14Oliver KruseC-PRP
M895159/24620892154783857042482543 : 4A8FF28E5852CBF1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M895159/24620892154783857042482543 : 4A8FF28E5852CBF1
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12