Write a function Is_Prime that has an input parameter i.e num, and returns a
value of 1 if num is prime, otherwise returns a value of 0.
write its program for C language
Answers
Answer:
Here comes the C program for the question.
#include <stdio.h>
int is_Prime(int num) {
for(int i=2;i<num;i++) {
if(num%i==0)
return 0;
}
return 1;
}
int main() {
printf("%d\n",is_Prime(2));
printf("\n",is_Prime(10));
}
A number is said to be prime if it is only divisible by 1 and itself.
Here, the loop iterates in the range 2 to number - 1. If any number in this range is divisible by the number entered through the parameter, then the number is not prime. In that case, it returns 0. After iteration, I wrote - return 1 i.e., if the number doesn't return 0, then it must be prime. In that case, it returns 1.
For verification, I have called the function in main() method and the output is displayed.
2 is prime, 1 is returned.
10 is not prime, 0 is returned.
Refer to the attachment.
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