Computer Applications
Write a program in Java to accept a number. Check and print whether it is a prime number or not.
A prime number is a number which is divisible by 1 and itself only. For example 2, 3, 5, 7, 11, 13 are all prime numbers.
Java
Java Iterative Stmts
214 Likes
Answer
import java.util.Scanner;
public class KboatPrimeCheck
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter number: ");
int n = in.nextInt();
int c = 0;
for (int i = 1; i <= n; i++) {
if (n % i == 0) {
c++;
}
}
if (c == 2) {
System.out.println(n + " is a prime number");
}
else {
System.out.println(n + " is not a prime number");
}
}
}Output


Answered By
85 Likes
Related Questions
Write a program in Java to find the Fibonacci series within a range entered by the user.
Sample Input:
Enter the minimum value: 10
Enter the maximum value: 20Sample Output:
13Define a class to accept a number from user and check if it is an EvenPal number or not.
(The number is said to be EvenPal number when number is palindrome number (a number is palindrome if it is equal to its reverse) and sum of its digits is an even number.)
Example: 121 – is a palindrome number
Sum of the digits – 1+2+1 = 4 which is an even numberHow many times will the following loop execute? Write the output of the code:
int x=10; while (true){ System.out.println(x++ * 2); if(x%3==0) break; }