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Explain factorization uniqueness up to units and associates

The learner can identify 1 and -1 as the integer units, recognize integers that differ by multiplication by a unit as associates, and explain why integer prime factorization is stated as unique up to order and associates without proving the full theorem.

1 published problem

1. The Infinite Factorization Glitch — Stretch Rook's unfinished factor label without limit, then enter the integers and decide how sign-changed irreducible factors should be compared.