MathDB
Problems
Contests
International Contests
Cono Sur Olympiad
2004 Cono Sur Olympiad
1
1
Part of
2004 Cono Sur Olympiad
Problems
(1)
Maxi's three digits
Source: Cono Sur 2004 #1
11/18/2015
Maxi chose
3
3
3
digits, and by writing down all possible permutations of these digits, he obtained
6
6
6
distinct
3
3
3
-digit numbers. If exactly one of those numbers is a perfect square and exactly three of them are prime, find Maxi’s
3
3
3
digits. Give all of the possibilities for the
3
3
3
digits.
number theory
cono sur