48517...06463 (7303-digits)

This number is a prime.

130841*2^24242-1 is prime. This is the first prime at the Prime Curios! site to have between 7000 and 7999 digits. Note that 24242 is a smoothly undulating number. Also, when you sum the squares of the digits of 130841*2^24242-1 you get the prime 206879. [Earls]