Question

If a=2x 2 x 3 x3 x 5 and b = 2 x 3 x7 then HCF (a,b)

Answer 1

a=2×2×3×3×5

b=2×3×7

hcf(a,b)=2×3

=6

hope this will help u

Answer 2

Answer:

a=180

b= 42

42 )180(4

-168

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12)42(3

36

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6)12(2

12

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XX

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H C F = 6 = 2 × 3