Find the prime factorization of number 72.
Answer
The prime factorization of 72 is:
$$ 72 = 2\cdot2\cdot2\cdot3\cdot3 $$Which is the same as :
$$ 72 = 2^{3}\cdot3^{2} $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 72 can be written as 2 × 36. |
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| 36 can be written as 2 × 18. |
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| 18 can be written as 2 × 9. |
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| 9 can be written as 3 × 3. |
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| The end nodes are the prime factors of the number 72. |
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