Prime factors of 21705
The prime factors are: 3, 5, 1447
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21705 divided by 3, 5, 1447 gives no remainder. This means Prime number are numbers that can divide without remainder.
How to Calculate Prime Factorization of 21705?
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 \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).
\(21705\div \color{red}{3} = 7235\)
\(7235\div \color{red}{5} = 1447\)
\(1447\div \color{red}{1447} = 1\)
Factorize\( (21705) = \) \(3\times 5\times 1447\)
Factor Tree of 21705
| 21705 | | |
| | | |
|  | | |
| 3 | | 7235 | |
| |  | |
| 5 | | 1447 |
If you want to learn more about prime factorization, take a look at the Wikipedia page.