Prime factors of 21189

The prime factors are: 3, 7, 1009
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21189 divided by 3, 7, 1009 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 21189?

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

\(21189\div \color{red}{3} = 7063\)
\(7063\div \color{red}{7} = 1009\)
\(1009\div \color{red}{1009} = 1\)

Factorize\( (21189) = \) \(3\times 7\times 1009\)