The prime factorization of 1660 is:
$$ 1660 = 2\cdot2\cdot5\cdot83 $$Which is the same as :
$$ 1660 = 2^{2}\cdot5\cdot83 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 1660 can be written as 10 × 166. |
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| 10 can be written as 2 × 5. |
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| 166 can be written as 2 × 83. |
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| The end nodes are the prime factors of the number 1660. |
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