What is the prime factorisation of 84?

Type: MCQ • Marks: 1

A. 1 × 2 × 2 × 3 × 7

B. 3 × 7

C. 2 × 2 × 5 × 7

D. 2 × 2 × 3 × 7

Explanation

Expressing 84 as a product of prime numbers gives 2 × 2 × 3 × 7.

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Class 7th Ganita Prakash 2

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