Question

S5.
Find two values of a if a, a + 2, a + 6 are prime
numbers.​

Answer 1

Answer:

a=1 and a= 11 will be the values

Answer 2

Answer:

We can use hit and trial method, I got 11.

Let,  a = 11 (prime no.)

a + 2

11 + 2 = 13 (prime no.)

a + 6

11 + 6 = 17 (prime no.)

So, the ans is 11.