Marin Mersenne 2^P-1
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MnStatusDetails
8243Composite, with 3 known prime factors. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
16487514.0old
42072436871032.0old
22859179399649095457464888583410868119980742137.42017-10-10 07:43:35
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse22A4518B19A1D3152013
Verified2017-10-10Yaroslav BerezhkoPRP_PRP_PRP_PRP_3013
Verified2017-10-12kkmrkkblmbrbkPRP_PRP_PRP_PRP_3143213
Verified (Factored)2017-11-09kkmrkkblmbrbkPRP_PRP_PRP_PRP_3236613
History
DateUserTypeResult
2017-11-09kkmrkkblmbrbkP-PRP
M8243/16487/4207243687/228591793996490954574648885834108681199807 is a probable prime.
2017-10-12kkmrkkblmbrbkP-PRP
M8243/16487/4207243687/228591793996490954574648885834108681199807 is a probable prime.
2017-10-10Yaroslav BerezhkoP-PRP
M8243/16487/4207243687/228591793996490954574648885834108681199807 is a probable prime!
2017-10-10Yaroslav BerezhkoF-ECM
Factor: 228591793996490954574648885834108681199807 / (ECM curve 2450, B1=1000000, B2=100000000)
2017-09-21Oliver KruseC-PRP
M8243/16487/4207243687 : 22A4518B19A1D315
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8243/16487/4207243687 : 22A4518B19A1D315
PRP without proof (not generated)