12345...54319 (113-digits)

This number is a composite.

123 4567901234 5679012345 6790123456 7901234567
9012345679 0123209876 5432098765 4320987654 3209876543 2098765432 0987654319

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How fast can you factor ((10^57-1)/9)^2-2 via the Elliptic Curve Method (ECM) and the Self-Initializing Quadratic Sieve (SIQS)?

Submitted: 2020-02-09 17:29:51; Last Modified: 2020-11-24 23:05:54.