the quickest way is dividing the required value by integers
value (<144) / x and x*b, where x is integer --> 143/ {start with 2,3,4...as two numbers must be different} 143/2 doesn't work, 142/2=71, hence a=142, b=71 and HCF=71
yellowho wrote:Is there a quick way to think about this without testing a bunch of numbers?












