MathDB

4

Part of 2016 Mediterranean Mathematics Olympiad

Problems(1)

Prime n^8 + n^6 + n^4 + 4

Source: Mediterranean Mathematics Olympiad 2016 P4

6/4/2016
Determine all integers n≥1n\ge1 for which the number n8+n6+n4+4n^8+n^6+n^4+4 is prime.
(Proposed by Gerhard Woeginger, Austria)
number theoryprime