Express 18 as the sum of two prime numbers in all possible ways.

Given :

The given number is 18.

To do :

We have to express 18 as the sum of two prime numbers in all possible ways.

Solution :

Prime number :

A number which has exactly two factors (1 , itself ).
 

$5 + 13 = 18,  13 + 5 = 18$

$7 + 11 = 18, 11 + 7 = 18$

5 , 7 , 11 , 13 are prime numbers.

These are the possible ways, in which 18 can be expressed as the sum of two prime numbers. 

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Updated on: 10-Oct-2022

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