If a = (22× 33× 54) and b = (23× 32× 5) then HCF (a, b) = ?
a = (22× 33× 54)
b = (23× 32× 5)
Here HCF (a, b) = product of common factors = 22 × 32 × 5 = 4 × 9 × 5 = 180.