$100,000 to the first individual or group who discovers
a prime number with at least 10,000,000 decimal digits
http://www.mersenne.org/
currently the 44th Known Mersenne Prime has been Found
Example of Mersenne Prime:
31 = 2^5 - 1, and 5 is a prime number, so 31 is a Mersenne number; and 31 is also a Mersenne prime because it is a prime number.
a prime number with at least 10,000,000 decimal digits
http://www.mersenne.org/
currently the 44th Known Mersenne Prime has been Found
Example of Mersenne Prime:
31 = 2^5 - 1, and 5 is a prime number, so 31 is a Mersenne number; and 31 is also a Mersenne prime because it is a prime number.
