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Omni-MATH / Determine the number of integers 2≤n≤2016 such that n^(n)−1 is divisible by 2,3,5,7. · Discussion

Discussing Determine the number of integers 2≤n≤2016 such that n^(n)−1 is divisible by 2,3,5,7. · Omni-MATH

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