Prime factors of 1491

The prime factors are: 3, 7, 71
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 1491 divided by 3, 7, 71 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 1491?

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

\(1491\div \color{red}{3} = 497\)
\(497\div \color{red}{7} = 71\)
\(71\div \color{red}{71} = 1\)

Factorize\( (1491) = \) \(3\times 7\times 71\)

Factor Tree of 1491

1491
3497
771
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: