Question

Give three pairs of prime numbers whose difference is $2$.

Answer 1

Explanation of Twin Prime:

Prime numbers are the numbers with two factors, $1$ and the number itself.

A pair of prime numbers whose difference is $2$, is called a twin prime.

The alternative names, given to twin primes are prime twin or prime pair.

The three pairs of twin primes are as follows:

$(5,7),(11,13),(17,19)$

Hence, the pairs of prime numbers whose difference is $2$ are listed above.