Prime factors of 21921

The prime factors are: 3, 7307
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21921 divided by 3, 7307 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 21921?

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 \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).

\(21921\div \color{red}{3} = 7307\)
\(7307\div \color{red}{7307} = 1\)

Factorize\( (21921) = \) \(3\times 7307\)

Factor Tree of 21921

21921
37307
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: