Question

Prime Factorisation of 420 is

a) 4 × 3 × 5 × 7

b) 4 × 3 × 35

c) (2^2) × 3 × 5 × 7

d) 4 × 7 × 15

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Answer 1

Answer:

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A 420

B

Answer 2

Answer:

Option (c) is the correct answer

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