Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
2316893
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
514350247928.9old
ECM
DigitsB1Curves
2550000175 / 280
Estimated T-Level: 23.1
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver Kruse966B65893F9DB7D31013
Verified
PRP without proof (not generated)
2017-11-23storm5510966B65893F9DB7D31153309513
History
DateUserTypeResult
2021-04-06ViliamFNF-PM1B1=5000000, B2=455000000
2018-02-26alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2316893/514350247 : 966B65893F9DB7D3
2017-10-11Oliver KruseC-PRPM2316893/514350247 : 966B65893F9DB7D3