Tweet on Twitter. Factorial of a number (n) is denoted by n!. However, it's still not big enough to store the value of bigger numbers (say 100). = 4*3*2*1 = 24 5! There are many ways to write the factorial program in c language. Factorial of a number is the multiplication of all the numbers from 1 to the number itself. Java program to find factorial Given below is the java program to find factorial of the given number. Here we will write programs to find out the factorial of a number using recursion. 1) using for loop 2) using while loop 3) finding factorial of a number entered by user. In the below example, factorial will be calculated using for loop in java. A technique of defining the … Factorial = 24. Find the factorial of a number is one of the common java interview question. The factorial of n (written n!) 3 thoughts on “ Using Recursion in Java Find Factorial of Number ” Pingback: Recursion in Java Explained With Examples » helpful resources February 28, 2020. Because Looing is the main key for calculating the factorial of any number. Check Whether a Number is Positive or Negative, Check Whether a Character is Alphabet or Not, Display Characters from A to Z using loop. Also, num should be casted to BigInteger for multiplication. Here, instead of long, we use BigInteger variable factorial. Let’s understand more about recursion by visiting the below code. Java Recursion The factorial of a positive number n is given by: factorial of n (n!) 6107 members .