The prime factorization of 172 is:
$$ 172 = 2\cdot2\cdot43 $$Which is the same as :
$$ 172 = 2^{2}\cdot43 $$Prime factorization can be nicely visualized by creating a factorization tree.
172 can be written as 2 × 86. |
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86 can be written as 2 × 43. |
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The end nodes are the prime factors of the number 172. |
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