The prime factorization of 1964 is:
$$ 1964 = 2\cdot2\cdot491 $$Which is the same as :
$$ 1964 = 2^{2}\cdot491 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 1964 can be written as 2 × 982. |
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| 982 can be written as 2 × 491. |
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| The end nodes are the prime factors of the number 1964. |
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