Prime Factorization of 21

Find the prime factorization of 21. 21 = 3 × 7. Free online prime factorization calculator.

Answer:

21 = 3 × 7

How it's calculated:

Prime factorization breaks 21 into its prime number factors. Divide by the smallest prime repeatedly.

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Prime Factorization of 21 — Find Prime Factors

21 = 3 × 7

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Prime Factorization of 21 — Find Prime Factors - Mathify | Mathify