Question

Find the HCF of the numbers 'a' and 'b' where:
a = 4².x 5³ x 7²
b = 2³. x 5 x 7​

Answer 1

Answer:

a=4^2×5^3×7^2

= 4×4×5×5×5×7×7

=2×2×2×2×5×5×5×7×7

b=2^3×5×7

=2×2×2×5×7

HCF of a and b =2×2×2×5×7=280