The prime factorization of 870 is:
$$ 870 = 2\cdot3\cdot5\cdot29 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 870 can be written as 10 × 87. |
|
| 10 can be written as 2 × 5. |
|
| 87 can be written as 3 × 29. |
|
| The end nodes are the prime factors of the number 870. |
|