The prime factorization of 777 is:
$$ 777 = 3\cdot7\cdot37 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 777 can be written as 3 × 259. |
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| 259 can be written as 7 × 37. |
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| The end nodes are the prime factors of the number 777. |
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