Dave Wagner writes > ... Here's a simple method, due to Pratt. ... People were doing this fourty years before Pratt's paper. See, for example, Dick Lehmer's 1933 paper "Hunting Big Game in the Theory of Numbers", where he describes proving primality for a 19 digit divisor of 2^95+1. It's on my web page at
http://www.cs.arizona.edu/~rcs/biggame4 Or see Math. Comp. in the early 1970s for examples with more depth in the recursions. Rich Schroeppel [EMAIL PROTECTED] --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
