Question

Find the HCF of 112 , 140 , 168 by the prime factorisation method

Answer 1

Answer:

Here's your answer in the attachment

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Answer 2

Step-by-step explanation:

112=2×2

$112 = 2 \times 2 \times 2 \times 2 \times 7 \\ \\ 140 = 2 \times 2 \times 5 \times 7 \\ \\168 = 2 \times 2 \times 2 \times 3 \times 7 \\ \\ = = = = 2 \times 2 \times 7 = = 28$

ans is 28