Java BigInteger nextProbablePrime() Method

The nextProbablePrime() method of Java BigInteger class is used to find the next Prime Number greater than the current BigInteger. This method returns the first integer greater than this BigInteger that is probably prime.

Syntax:

Parameter:

NA

Returns:

This method returns the first integer greater than this BigInteger that is probably prime.

Exception:

ArithmeticException < this < 0 or this is too large.

Note:

• This method will never skip over a prime when searching. If it returns p, there is no prime q such that this < q < p.
• The probability that the number returned by this method is composite does not exceed 2-¹⁰⁰.

Example 1

Output:

 Next Probable Prime after 10 is 11 Next Probable Prime after 23 is 29 

Example 2

Output:

 java.lang.ArithmeticException: start < 0: -23