Mathematical and Physical Journal
for High Schools
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Problem C. 1248. (October 2014)

C. 1248. Determine all three-digit integers \(\displaystyle \overline{abc}\) such that \(\displaystyle \overline{abc}=a!+b!+c!\), where \(\displaystyle n!\) denotes the product of positive integer 1 to \(\displaystyle n\).

(5 pont)

Deadline expired on November 10, 2014.


271 students sent a solution.
5 points:138 students.
4 points:64 students.
3 points:25 students.
2 points:23 students.
1 point:11 students.
0 point:8 students.
Unfair, not evaluated:2 solutionss.

Problems in Mathematics of KöMaL, October 2014