Prime factors of 981

The prime factors are: 3, 3, 109
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 981 divided by 3, 3, 109 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 981?

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

\(981\div \color{red}{3} = 327\)
\(327\div \color{red}{3} = 109\)
\(109\div \color{red}{109} = 1\)

Factorize\( (981) = \) \(3\times 3\times 109\)

Factor Tree of 981

981
3327
3109
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: