How many times does 2 occur in the factorisation of 720?

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Solution

The correct option is D
4

Let us look into the factorisation of 720 , it can be written as
$720 = 2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 5$ . Thus, 2 occurs 4 times in the factorisation of 720.

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