The prime factorization of 1911 is:
$$ 1911 = 3\cdot7\cdot7\cdot13 $$Which is the same as :
$$ 1911 = 3\cdot7^{2}\cdot13 $$Prime factorization can be nicely visualized by creating a factorization tree.
1911 can be written as 3 × 637. |
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637 can be written as 7 × 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 1911. |
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