#include<stdio.h>
void prime(int a)
{
int i,j,sum=0,count=0;
for(i=2;i<=a;i++)
{
for(j=1;j<=i;j++)
{
if(i%j==0)
{
count++;
}
if(count==2)
{
sum=sum+i;
}
}
}
printf("sum of prime=%d",sum
); }
int main()
{
int x;
void prime(int);
printf("enter the numbers\n");
}
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