The book is now available! 509033161
(just those submitted by Gupta)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The smallest Carmichael number which is the product of two Carmichael numbers (509033161 = 1729*294409). [Gupta]




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