The prime factorization of 1265 is:
$$ 1265 = 5\cdot11\cdot23 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 1265 can be written as 5 × 253. |
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| 253 can be written as 11 × 23. |
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| The end nodes are the prime factors of the number 1265. |
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