The prime factorization of 676 is:
$$ 676 = 2\cdot2\cdot13\cdot13 $$Which is the same as :
$$ 676 = 2^{2}\cdot13^{2} $$Prime factorization can be nicely visualized by creating a factorization tree.
676 can be written as 2 × 338. |
|
338 can be written as 2 × 169. |
|
169 can be written as 13 × 13. |
|
The end nodes are the prime factors of the number 676. |
|