Question
Find the prime factorization of number 126.
Answer
The prime factorization of 126 is:
$$ 126 = 2\cdot3\cdot3\cdot7 $$Which is the same as :
$$ 126 = 2\cdot3^{2}\cdot7 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 126 can be written as 2 × 63. |
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| 63 can be written as 3 × 21. |
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| 21 can be written as 3 × 7. |
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| The end nodes are the prime factors of the number 126. |
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