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MathNet 2011 Question 73

Math Olympiad Vault · MathNet 2011

Question 73

Find all primes $q_{1}, q_{2}, q_{3}, q_{4}, q_{5}$ such that $q_{1}^{4} + q_{2}^{4} + q_{3}^{4} + q_{4}^{4} + q_{5}^{4}$ is the product of two consecutive even integers.