Question

.If least prime factor of a is 3 and least prime factor of b is 7, then find least prime factor of (a + b).

Genuine answers only !

Answer 1

Step-by-step explanation:

I think the answer is 2.

3 and 7 are prime number.They are only divisible by 1 and itself.So a+b=3+7=10.And least prime factor of 10 is 2.

Answer 2

Answer:

a = 9

b = 49

After adding, them the least prime factor is 2.

Step-by-step explanation:

a+b = 49+9 = 58

Least prime factor of 58 is 2.