The prime factorization of 990 is:
$$ 990 = 2\cdot3\cdot3\cdot5\cdot11 $$Which is the same as :
$$ 990 = 2\cdot3^{2}\cdot5\cdot11 $$Prime factorization can be nicely visualized by creating a factorization tree.
990 can be written as 10 × 99. |
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10 can be written as 2 × 5. |
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99 can be written as 3 × 33. |
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33 can be written as 3 × 11. |
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The end nodes are the prime factors of the number 990. |
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