How many 2's are there in the prime factorization of 100?

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Solution

The correct option is B 2
Faactorization of 100:

$\begin{matrix} 2 & 100 2 & 50 5 & 25 5 & 5 1 \end{matrix}$

Prime factorization is: 2 × 2 × 5 × 5
So, the number of 2's in the prime factorization of 100 is 2.

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