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3 Jun 2023
326^2 - 325^2 = 0 mod 3
2 Jun 2023
n + 1 | n^2 + 1
p^{mdc(a,b)} = 1 mod n
30 May 2023
Counting integer divisors
169 | 3^{3n + 3} - 26n -27
3^{3n} = 1 mod 13
29 May 2023
mdc(n + 1, n^2 + 1)