How many numbers ≤ 1000 have exactly 3 factors? A) 1... | Mental Maths Class 5

Mental Maths Class 5 Knowing Our Numbers

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

How many numbers ≤ 1000 have exactly 3 factors?

A) 10
B) 11
C) 12
D) 13

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