The book is now available! 341
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


Chinese mathematicians (circa 500 B.C.) erroneously believed that 2(2^(n-1)-1) is not divisible by n if n is not prime. This was disproved by Sarrus in 1819 with n = 341, i.e., the smallest pseudoprime to base two.


  Submitted: 2000-01-02 21:49:01;   Last Modified: 2008-01-30 11:28:00.

Prime Curios! © 2000-2017 (all rights reserved)