Question
Find the prime factorization of number 1820.
Answer
The prime factorization of 1820 is:
$$ 1820 = 2\cdot2\cdot5\cdot7\cdot13 $$Which is the same as :
$$ 1820 = 2^{2}\cdot5\cdot7\cdot13 $$Explanation
Prime factorization can be nicely visualized by creating a factorization tree.
| 1820 can be written as 10 × 182. |
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| 10 can be written as 2 × 5. |
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| 182 can be written as 2 × 91. |
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| 91 can be written as 7 × 13. |
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| The end nodes are the prime factors of the number 1820. |
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