The book is now available! 19370...57287 (2506-digits)
(just those submitted by Earls)
Prime Curios!
Curios: Curios Search:


Just showing those entries submitted by 'Earls': (Click here to show all)

+ A Fermat and Lucas PRP consisting of the three numbers 193707721, 2^8233, and 761838257287, separated by three zeros. Note that the first and third numbers are the factors of 2^67-1, which were found by F. N. Cole in 1903. [Earls]

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement