Give three pairs of prime numbers whose difference is 2
[Remark: Two prime numbers whose difference is 2 are called twin primes]

Solution:

We will be using the concepts of prime numbers to solve this.

Twin prime numbers are the set of two numbers that have exactly one composite number between them. They can also be defined as the pair of numbers with a difference of 2.

Required pairs are:

3 and 5 (3 and 5 are prime numbers whose difference is 2)
5 and 7 (5 and 7 are prime numbers whose difference is 2)
11 and 13 (11 and 13 are prime numbers whose difference is 2)

NCERT Solutions for Class 6 Maths Chapter 3 Exercise 3.2 Question 7

Give three pairs of prime numbers whose difference is 2. [Remark: Two prime numbers whose difference is 2 are called twin primes]

Summary:

Three pairs of prime numbers whose difference is 2 are a) 3 and 5, b) 5 and 7, and c) 11 and 13.

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