Question
Find the prime factorization of number 1645.
Answer
The prime factorization of 1645 is:
$$ 1645 = 5\cdot7\cdot47 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 1645 can be written as 5 × 329. |
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| 329 can be written as 7 × 47. |
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| The end nodes are the prime factors of the number 1645. |
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