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Definition

Prime Factorization

The prime factorization of a composite number is its unique representation as a product of prime numbers. The individual primes in this product are called the number's prime factors. Every composite number has exactly one prime factorization (apart from the order of the factors), meaning that regardless of the initial factors used to break the number down, the final set of prime factors will always be identical. For example, the prime factorization of 7272 is 222332 \cdot 2 \cdot 2 \cdot 3 \cdot 3.

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Updated 2026-06-27

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Ch.7 Factoring - Elementary Algebra @ OpenStax

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