The prime factorization of 63 is:
$$ 63 = 3\cdot3\cdot7 $$Which is the same as :
$$ 63 = 3^{2}\cdot7 $$Prime factorization can be nicely visualized by creating a factorization tree.
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 63. |
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