The prime factorization of 15625 is:
$$ 15625 = 5\cdot5\cdot5\cdot5\cdot5\cdot5 $$Which is the same as :
$$ 15625 = 5^{6} $$Prime factorization can be nicely visualized by creating a factorization tree.
| 15625 can be written as 5 × 3125. |
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| 3125 can be written as 5 × 625. |
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| 625 can be written as 5 × 125. |
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| 125 can be written as 5 × 25. |
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| 25 can be written as 5 × 5. |
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| The end nodes are the prime factors of the number 15625. |
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