What is the prime factorisation of 20?

Type: MCQ • Marks: 1

A. 2 × 2 × 5

B. 5 × 2 × 2

C. 20 × 1

D. 2 × 10

Explanation

20 = 2 × 2 × 5, written using prime factors.

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Class 7th Ganita Prakash 2

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