How many positive factors of 36 are there ?
Answer : Option D
Explanation : 36 = 2 × 2 × 3 × 3 = 22 × 32
∴ Number of positive factors
= (2 + 1) (2 + 1) = 3 × 3 = 9
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How many positive factors of 36 are there ?
36 = 2 × 2 × 3 × 3 = 22 × 32
∴ Number of positive factors
= (2 + 1) (2 + 1) = 3 × 3 = 9