The book is now available! 99999...66333 (44-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                            9999 9999988888 8887777777 5555544442 2666666333
+ The largest prime formed by concatenating n repdigit numbers using d times each digit d, (n=8). [Loungrides]




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