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 November 10, 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 solutionss.

Problems in Mathematics of KöMaL, October 2009