Prime factors of 21515
The prime factors are: 5, 13, 331
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21515 divided by 5, 13, 331 gives no remainder. This means Prime number are numbers that can divide without remainder.
How to Calculate Prime Factorization of 21515?
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 \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).
\(21515\div \color{red}{5} = 4303\)
\(4303\div \color{red}{13} = 331\)
\(331\div \color{red}{331} = 1\)
Factorize\( (21515) = \) \(5\times 13\times 331\)
Factor Tree of 21515
| 21515 | | |
| | | |
|  | | |
| 5 | | 4303 | |
| |  | |
| 13 | | 331 |
If you want to learn more about prime factorization, take a look at the Wikipedia page.