Prime factors of 162

The prime factors are: 2, 3, 3, 3, 3
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 162 divided by 2, 3, 3, 3, 3 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 162?

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

\(162\div \color{red}{2} = 81\)
\(81\div \color{red}{3} = 27\)
\(27\div \color{red}{3} = 9\)
\(9\div \color{red}{3} = 3\)
\(3\div \color{red}{3} = 1\)

Factorize\( (162) = \) \(2\times 3\times 3\times 3\times 3\)

Factor Tree of 162

162
281
327
39
33
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: