The book is now available! 40
(just those submitted by Mitchell)
Prime Curios!
Curios: Curios Search:


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

+ The expression P(n) = n^2 + n + 41 is prime for all natural numbers n < 40. It is composite for n = 40. [Mitchell]

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