The prime factorization of 3445 is:
$$ 3445 = 5\cdot13\cdot53 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 3445 can be written as 5 × 689. |
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| 689 can be written as 13 × 53. |
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| The end nodes are the prime factors of the number 3445. |
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