The book is now available! 7699
(just those submitted by Rodrigo)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The smallest number that can be expressed as the sum of the k first primes for some k, congruent with 3 modulus 4, and prime. [Rodrigo]




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