HOW TO CHECK A 100 DIGIT NUMBER IS PRIME OR NOTT??

HII Friends,
finding a number is prime or not is a simple task.but finding a 100 digit number is some difficult task because , we dont have data type which hold a 100 digit number other than string data type .
in this video with a simple solution i explained how to check a 100 digit number is prime or not..
thank you for watchinggg.

#JAVA,#PRIMENUMBER,#BIGINTEGER,