MathDB

1

Part of 1958 Poland - Second Round

Problems(1)

a^4 + 4 is not a prime number.

Source: Polish MO second round 1958 p1

8/29/2024
Prove that if a a is an integer different from 1 1 and āˆ’1 - 1 , then a4+4 a^4 + 4 is not a prime number.
primenumber theoryprime numbers