The prime factorization of 1399657 is:
$$ 1399657 = 7\cdot59\cdot3389 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 1399657 can be written as 7 × 199951. |
|
| 199951 can be written as 59 × 3389. |
|
| The end nodes are the prime factors of the number 1399657. |
|