Question
Find the prime factorization of number 21945.
Answer
The prime factorization of 21945 is:
$$ 21945 = 3\cdot5\cdot7\cdot11\cdot19 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 21945 can be written as 5 × 4389. |
|
| 4389 can be written as 3 × 1463. |
|
| 1463 can be written as 7 × 209. |
|
| 209 can be written as 11 × 19. |
|
| The end nodes are the prime factors of the number 21945. |
|
This page was created using
Prime factorization calculator