Question
Find the prime factorization of number 1986.
Answer
The prime factorization of 1986 is:
$$ 1986 = 2\cdot3\cdot331 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 1986 can be written as 2 × 993. |
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| 993 can be written as 3 × 331. |
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| The end nodes are the prime factors of the number 1986. |
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