What is the prime factorisation of 45?

Type: MCQ • Marks: 1

A. 1 × 3 × 3 × 5

B. 3 × 3 × 5

C. 5 × 3 × 5

D. 3 × 3 × 5

Explanation

Expressing 45 as a product of prime numbers gives 3 × 3 × 5.

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Class 7th Ganita Prakash 2

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