The book is now available! 476710937
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ Smallest possible prime with at least 7 distinct digits that remains prime (leading zeros not allowed) when all occurrences of its digits d are deleted (i.e., primes 47671937, 47670937, 47671097, 76710937, 47710937, 461093 and 47671037). [De Geest]

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