Question

Izi picks one odd prime number and one even prime number.

The difference between the two prime numbers is 15

Which two prime numbers does she pick?

Answer 1

The only even prime number is 2.

Suppose,Izi picks one even prime number=2.

Let the odd prime number be 'x'.

BTP,

x-2=15

x=15+2

x=17

Hence,the odd prime number is 17,and the even prime number is 2.