Prime Numbers List from 1 to n

Here you will get the program code to print prime numbers list in java programming.

Program to print Prime Numbers List from 1 to n

import java.util.Scanner;

public class PrimeList {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

System.out.print("Enter the Number's upper limit (n): ");

int n = scanner.nextInt();

scanner.close();

System.out.println("Prime numbers from 1 to " + n + ":");

for (int num = 2; num <= n; num++) {

if (isPrime(num)) {

System.out.print(num + " ");

}

public static boolean isPrime(int num) {

if (num <= 1) {

return false;

}

for (int i = 2; i * i <= num; i++) {

if (num % i == 0) {

return false;

}

return true;

}

Output

C:\CodeRevise\java>javac PrimeList.java

C:\CodeRevise\java>java PrimeList
Enter the Number’s upper limit (n): 45
Prime numbers from 1 to 45:
2 3 5 7 11 13 17 19 23 29 31 37 41 43