The prime factorization of 315 is:
$$ 315 = 3\cdot3\cdot5\cdot7 $$Which is the same as :
$$ 315 = 3^{2}\cdot5\cdot7 $$Prime factorization can be nicely visualized by creating a factorization tree.
315 can be written as 5 × 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 315. |
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