Using Javascript write a public classA01. Write following methods in this class.

e)The method largestCoprime returns the largest n-digit coprime for a given integer. The integer for which the largest co-prime is being searched, is passed as first argument to the method and the second argument is the number of digits. In case, an n-digit coprime is not possible, -1 is returned. For all other error situations, return -2.

You are not allowed to use for loop in this question; use while or do-while.

You are not allowed to use any Math libraries in this method.

Do not perform any input/output in your methods.

Also, write the main method in your program and test your above methods from main() in a suitable way.However, there is no grade associated with those tests. We will run our own test while grading

Do not use System.exit(0)any where in your program