Question
Find the prime factorization of number 637.
Answer
The prime factorization of 637 is:
$$ 637 = 7\cdot7\cdot13 $$Which is the same as :
$$ 637 = 7^{2}\cdot13 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 637 can be written as 7 × 91. |
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| 91 can be written as 7 × 13. |
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| The end nodes are the prime factors of the number 637. |
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