Information as of 2020-05-19: Data for Riesel 600<k<800 online.

**Done**history entries/primes for**Riesel primes 300<k<800**(Sources see here)**Done**history entries/primes for**Riesel primes 4000<k<4200**(Sources see here)**Done**history entries for**Riesel primes k<300**(Sources see here)**Please check your reservations here****.**

# Chris Caldwell

**Chris Caldwell** is a professor of mathematics at the University of Tennesse at Martin. He has long been interested in primes. He earned his B.S. in Mathematics at California State University, Hayward in 1979 (the same time Landon Curt Noll and Laura A. Nickel were there and finding M25 and M26). He received his Ph.D. from UC Berkeley, where Dr. Lehmer taught.

Dr. Caldwell maintains the The Prime Pages.