Class 6 · Mathematics · Ganita Prakash

5. Prime Time

Try question 1

A prime number has exactly

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Answer and explanation

Answer: B. two factors

Its only factors are 1 and itself.

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Try question 2

The only even prime number is

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Answer and explanation

Answer: B. 2

Every other even number is divisible by 2.

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Try question 3

The prime factorisation of 12 is

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Answer and explanation

Answer: C. 2 × 2 × 3

All factors in a prime factorisation must be prime.

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