Java-Programs/MathPrograms/MyBigFactorial.java at master · nitinteja/Java-Programs · GitHub

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package MathPrograms;

import java.util.Scanner;

public class MyBigFactorial {

public static int[] fact(int n) {

int[] r = new int[100];

r[0] = 1;

for (int i = 1; i <= n; ++i) {

int carry = 0;

for (int j = 0; j < r.length; j++) {

int x = r[j] * i + carry;

r[j] = x % 10;

carry = x / 10;

}

return r;

}

public static void main(String[] args) {

Scanner sc =new Scanner(System.in);

System.out.println("Enter the number: ");

int n=sc.nextInt();

int[] result = fact(n);

int i = result.length - 1;

while (i > 0 && result[i] == 0)

--i;

while (i >= 0)

System.out.print(result[i--]);

System.out.println();

sc.close();

}

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