The prime factorization of 22001 is:
$$ 22001 = 7\cdot7\cdot449 $$Which is the same as :
$$ 22001 = 7^{2}\cdot449 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 22001 can be written as 7 × 3143. |
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| 3143 can be written as 7 × 449. |
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| The end nodes are the prime factors of the number 22001. |
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