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determine if a number is factorial in Java

Thankful Tuatara answered on May 23, 2022 Popularity 9/10 Helpfulness 2/10

answer determine if a number is factorial in Java

related how to find the factorial of a number in java

determine if a number is factorial in Java

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// Java implementation for the above approach
class GFG
{
 
    // Function to check if the given number
    // is a factorial of any number
    static boolean isFactorial(int n)
    {
        for (int i = 1;; i++)
        {
            if (n % i == 0)
            {
                n /= i;
            }
            else
            {
                break;
            }
        }
     
        if (n == 1)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
     
    // Driver Code
    public static void main (String[] args)
    {
        int n = 24;
        boolean ans = isFactorial(n);
         
        if (ans == true)
        {
            System.out.println("Yes");
        }
        else
        {
            System.out.println("No");
        }
    }
}
 
// This code is contributed by AnkitRai01

Popularity 9/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: factorial java

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Contributed on May 23 2022

Thankful Tuatara

0 Answers Avg Quality 2/10

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how to find the factorial of a number in java

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import java.util.Scanner;

public class CodesCracker
{
   public static void main(String[] args)
   {
      int fact=1;
      Scanner s = new Scanner(System.in);
      
      System.out.print("Enter a Number: ");
      int num = s.nextInt();
      
      for(int i=num; i>=1; i--)
         fact = fact*i;
      
      System.out.println("\nFactorial of " +num+ " is " +fact);
   }
}

Popularity 9/10 Helpfulness 7/10 Language java

Source: codescracker.com

Tags: factorial fact

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Contributed on Jan 03 2023

Sai Ram Pourthi

0 Answers Avg Quality 2/10

determine if a number is factorial in Java

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determine if a number is factorial in Java

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how to find the factorial of a number in java

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