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Monday, 20 November 2017

Program to Find Large Number Factorial in Java

java program

The factorial are product of every whole number from 1 to n. For example, if we want to find the factorial of 5 then 5 x 4 x 3 x 2 x 1 = 120.


Factorial is defined or represented by 5!.


In the below 2 program Q2 and Q3, we have used BigInteger class to find factorial of large number, because we can't find factorial of large number using int or long data type.

BigInteger class is used for mathematical operation in java which involves very big integer calculations that are outside the limit of all available primitive data type.

BigInteger class belongs to math package.

For example if we find the factorial of 100 then it contains 158 digits output and it is not possible to store in available primitive data types. That's why we have to use BigInteger class for storing large number.


Program to find factorial of large number.




Large number factorial program output


  1. Read also : Large Number Factorial Program between 50 to 100 prime numbers in java.
  2. Read Also : Java Program To Find Sum Of the Individual Digits Of the Number.


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About Author

SUMIT KUMAR GUPTA
SUMIT KUMAR GUPTA

Author & Editor

Myself Sumit Kumar Gupta & 21 year's old person. I am a programmer and blogger. I spend much more time on programming and blogging and helps other programmers and bloggers.

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