2015 UMO Problems/Problem 4
Problem
Find, with proof, all positive integers 
with 
such that the greatest common divisor of the coefficients of 
is equal to exactly 
.
Solution
See Also
| 2015 UMO (Problems • Answer Key • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 1 • 2 • 3 • 4 • 5 • 6 | ||
| All UMO Problems and Solutions | ||
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