Answer Posted / om

void find_primenumber_in_range(int r1,int r2)
{
int i,j;
for(i=r1;i<=r2;i++)
{
for(j=2; j<=(i/2); j++)
if(i%j==0)
break;
if(j== (i/2 +1))
printf("%d\t",i);
}
}

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