Question
Find the prime factorization of number 1240.
Answer
The prime factorization of 1240 is:
$$ 1240 = 2\cdot2\cdot2\cdot5\cdot31 $$Which is the same as :
$$ 1240 = 2^{3}\cdot5\cdot31 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 1240 can be written as 10 × 124. |
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| 10 can be written as 2 × 5. |
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| 124 can be written as 2 × 62. |
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| 62 can be written as 2 × 31. |
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| The end nodes are the prime factors of the number 1240. |
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