C Program to find Prime Numbers Between given Interval

Given two numbers a and b as interval range,we have to find the prime numbers in between this interval. Implementation: #include <stdio.h>
#include <stdlib.h>
int main()
{
int a, b, i, j, flag;
printf("Enter lower bound of the interval: ");
scanf("%d", &a);

printf("\n Enter upper bound of the interval: ");
scanf("%d", &b);

printf("\n Prime numbers between %d and %d are: ", a, b);

for(i = a; i <= b; i++)
{
if( i == 1 || i == 0)
continue;
flag = 1;
for (j = 2; j <= i / 2; j++) {
if (i % j == 0) {
flag = 0;
break;
}
}
if (flag == 1)
printf("%d ", i);
}
return 0;
} Output:
Enter lower bound of the interval: 1
Enter upper bound of the interval: 10
Prime numbers between 1 and 10 are: 2 3 5 7 Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. Follow Programmers Door for more. #programming #blog

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