Question 78

What is the HCF (highest common factor) of 133 and 112?

Solution

Prime factorization of

133 = 7 $$\times$$ 19

112 = $$2^4$$ $$\times$$ 7

There is only 1 common factor, and thus the HCF (highest common factor) = 7

=> Ans - (B)

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