Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnDetails
523
Composite, with 1 known prime factor. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
16018877831320211861054368536887868893282870113650144493221746803906369226.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_1013
History
DateUserTypeResult
2024-11-248nNF-PM1B1=100000, B2=1000000
2024-09-06George WoltmanP-PRPM523/160188778313202118610543685368878688932828701136501444932217468039063
PRP Cofactor