The prime factorization of 266 is:
$$ 266 = 2\cdot7\cdot19 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 266 can be written as 2 × 133. |
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| 133 can be written as 7 × 19. |
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| The end nodes are the prime factors of the number 266. |
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