Question

a nd b r two positive integers such that the least prime factor

Answer 1

a=3 b=5
(a+b)= 3+5 =8
Least prime no. is 2

Answer 2

Since the least prime factor of a & b are odd number so it means a & b are also odd number and if we add two odd number we get an even number so for even number the least prime factor is 2.