Give three pairs of prime numbers whose difference is 2.

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

Q.

Question 7

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

Q. The two consecutive prime numbers with difference $2$ are called

Q. If the product of two twin prime numbers and the absolute difference of smallest composite number and the smallest prime number is $646$, then larger prime number is