Prime factors of 21960

The prime factors are: 2, 2, 2, 3, 3, 5, 61
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21960 divided by 2, 2, 2, 3, 3, 5, 61 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 21960?

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

\(21960\div \color{red}{2} = 10980\)
\(10980\div \color{red}{2} = 5490\)
\(5490\div \color{red}{2} = 2745\)
\(2745\div \color{red}{3} = 915\)
\(915\div \color{red}{3} = 305\)
\(305\div \color{red}{5} = 61\)
\(61\div \color{red}{61} = 1\)

Factorize\( (21960) = \) \(2\times 2\times 2\times 3\times 3\times 5\times 61\)

Factor Tree of 21960

21960
210980
25490
22745
3915
3305
561
If you want to learn more about prime factorization, take a look at the Wikipedia page.
Prime factors of: