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

Academic Mathematics NCERT Class 6

To do: To find three pairs of ‘prime numbers’ whose ‘difference’ is 2.

Solution:

A numbers which can be divided either by $1$ or ‘by itself’ only, is known as

Prime numbers. Hence, the prime numbers can be $2,\ 3,\ 5,\ 7,\ 11,\ 13,\ 17,\ 19$

Therefore, three prime numbers with difference of 2 are:

$( i).\ ( 5,\ 7)$

$( ii).\ ( 11,\ 13)$

$( iii).\ ( 17,\ 19)$

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Updated on: 10-Oct-2022

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