Prime factors of 21680
The prime factors are: 2, 2, 2, 2, 5, 271
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 21680 divided by 2, 2, 2, 2, 5, 271 gives no remainder. This means Prime number are numbers that can divide without remainder.
How to Calculate Prime Factorization of 21680?
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 \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).
\(21680\div \color{red}{2} = 10840\)
\(10840\div \color{red}{2} = 5420\)
\(5420\div \color{red}{2} = 2710\)
\(2710\div \color{red}{2} = 1355\)
\(1355\div \color{red}{5} = 271\)
\(271\div \color{red}{271} = 1\)
Factorize\( (21680) = \) \(2\times 2\times 2\times 2\times 5\times 271\)
Factor Tree of 21680
| 21680 | | | | | |
| | | | | | |
|  | | | | | |
| 2 | | 10840 | | | | |
| |  | | | | |
| 2 | | 5420 | | | |
| | |  | | | |
| | 2 | | 2710 | | |
| | | |  | | |
| | | 2 | | 1355 | |
| | | | |  | |
| | | | 5 | | 271 |
If you want to learn more about prime factorization, take a look at the Wikipedia page.