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Saturday, December 19, 2015


Factorial of large numbers:

import java.util.Scanner;

import java.math.BigInteger;

class BigFactorial

{

  public static void main()

  {

    int n, c;

    BigInteger inc = new BigInteger("1");

    BigInteger fact = new BigInteger("1");

    Scanner input = new Scanner(System.in);

    System.out.println("Input an integer");

    n = input.nextInt();

    for (c = 1; c <= n; c++) {

      fact = fact.multiply(inc);

      inc = inc.add(BigInteger.ONE);

    }

    System.out.println(n + "! = " + fact);

  }

}

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