Prime Factorization of 85

"Prime Factorization" Calculator
Prime Factors of

What is the prime factorization of 85?

Answer

Prime Factors of 85:
5, 17

85 = 5 × 17 · composite · 4 factors

Division ladder

855
1717
1

Left: what is left; right: the smallest prime that divides it; 1 at the bottom.

Second way — factor tree
85517

See Also

FAQ

What is the prime factorization of 85?

Prime Factors of 85: 5, 17

How many prime factors does 85 have?

Number 85 has 2 prime factors, all different.

How can you check the prime factorization of 85?

Multiply the factors back together: 5 × 17 = 85. Every factor is prime, so nothing splits any further and this decomposition is the only one that exists.