2015 UMO Problems/Problem 1

Revision as of 01:54, 6 November 2015 by Timneh (talk | contribs) (Created page with "==Problem == Three trolls have divided <math>n</math> pancakes among themselves such that: • Each troll has a positive integer number of pancakes. • The greatest common...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

Three trolls have divided $n$ pancakes among themselves such that:

• Each troll has a positive integer number of pancakes.

• The greatest common divisor of the number of pancakes held by any two trolls is bigger than $1$.

• The three greatest common divisors obtained in this way are all distinct.

What is the smallest possible value of $n$?

Solution

See Also

2015 UMO (ProblemsAnswer KeyResources)
Preceded by
First Problem
Followed by
Problem 2
1 2 3 4 5 6
All UMO Problems and Solutions