Question 7
Give three pairs of prime numbers whose difference is 2.
[Remark: Two prime numbers whose difference is 2 are called twin primes.]
Three pairs of prime numbers whose difference is 2 would be:
(i) 3 and 5 as 5 - 3 = 2
(ii) 5 and 7 as 7 - 5 = 2
(iii) 11 and 13 as 13 - 11 = 2