Problem K. 219. (October 2009)
K. 219. Five different positive integers were chosen and pairwise multiplied together. The results are as follows: 6, 10, 15, 24, 36, 42, 60, 105, 63, 252. What were the five numbers?
(6 pont)
Deadline expired on 10 November 2009.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. A keresett számötös: \(\displaystyle 2, \ 3,\ 5,\ 12,\ 21\).
Statistics:
277 students sent a solution.  
6 points:  85 students. 
5 points:  30 students. 
4 points:  36 students. 
3 points:  20 students. 
2 points:  43 students. 
1 point:  41 students. 
0 point:  7 students. 
Unfair, not evaluated:  15 solutions. 
