The prime factorization of 548 is:
$$ 548 = 2\cdot2\cdot137 $$Which is the same as :
$$ 548 = 2^{2}\cdot137 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 548 can be written as 2 × 274. |
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| 274 can be written as 2 × 137. |
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| The end nodes are the prime factors of the number 548. |
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