Given two numbers A and B. The task is to find the smallest positive integer greater than or equal to 1 such that the sum of all three numbers become a prime number.
Input: A = 2, B = 3
The third number is 2 because if we add all three number the
sum obtained is 7 which is a prime number.
Input: A = 5, B = 3
- First of all store the sum of given 2 number in sum variable.
- Now, check if bitwise and (&) of sum and 1 is equal to 1 or not (checking if the number is odd or not).
- If it is equal to 1 then assign 2 to variable temp and go to step 4.
- Else check sum value of sum and temp variable whether it is prime number or not. If prime, then print the value of temp variable else add 2 to temp variable untill it is less than a prime value.
Below is the implementation of the above approach:
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