Question
Find the prime factorization of number 1421.
Answer
The prime factorization of 1421 is:
$$ 1421 = 7\cdot7\cdot29 $$Which is the same as :
$$ 1421 = 7^{2}\cdot29 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 1421 can be written as 7 × 203. |
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| 203 can be written as 7 × 29. |
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| The end nodes are the prime factors of the number 1421. |
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