Description
Get the starting and ending number from the user and then print all the prime numbers within the range.
Input
4
10
Output
5 7
C Program
#include<stdio.h>
int Prime(int num)
{
if(num < 2){
return 0;
}
else
{
int x = num/2;
for(int i = 2; i <= x; i++)
{
if(num % i == 0)
{
return 0;
}
}
}
return 1;
}
int main()
{
int n1, n2;
printf("Enter the lower and upper values: ");
scanf("%d %d",&n1, &n2);
for(int i=n1;i <= n2;i++){
if(Prime(i))
printf("%d ",i);
}
return 0;
}
C++ Program
#include <iostream>
using namespace std;
int Prime(int num)
{
if(num < 2){
return 0;
}
else
{
int x = num/2;
for(int i = 2; i <= x; i++)
{
if(num % i == 0)
{
return 0;
}
}
}
return 1;
}
int main()
{
int n1, n2;
cout<<"Enter the lower and upper values: ";
cin>>n1>>n2;
for(int i=n1;i <= n2;i++){
if(Prime(i))
cout<<i<<" ";
}
return 0;
}
Java Program
import java.util.Scanner;
public class Main
{
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.print("Enter lower and upper bounds: ");
int n1 = sc.nextInt();
int n2 = sc.nextInt();
int count;
for(int i = n1 ; i <= n2 ; i++)
{
count = 0;
for(int j = 1 ; j <= i ; j++)
{
if(i % j == 0)
count = count+1;
}
if(count == 2)
System.out.print(i+" ");
}
}
}
Python
lower = int(input("Enter the lower bound: "))
upper = int(input("Enter the upper bound: "))
for i in range(lower, upper+1):
flag=1
for j in range(2, (i//2)+1):
if i % j == 0:
flag=0
break
if flag==1 and i!=1:
print(i,end=" ")
