Prime factors of 21721

The prime factors are: 7, 29, 107
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21721 divided by 7, 29, 107 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 21721?

The main method of prime factorization is start dividing the number by the any divisible prime numbers until the only numbers left are prime numbers \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).

\(21721\div \color{red}{7} = 3103\)
\(3103\div \color{red}{29} = 107\)
\(107\div \color{red}{107} = 1\)

Factorize\( (21721) = \) \(7\times 29\times 107\)

Factor Tree of 21721

21721
73103
29107
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: