The book is now available! 42424...24223 (29-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

                                             424248646 2462664246 2642424223
+ 42424864624626642462642424223 is an almost-all-even-digits prime. Can you find something else curious about it? Hint: requires an IQ of at least 113 to figure it out. For an explanation, e-mail the content editor.

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