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Traditional Notation

Number Theory Functions >EulerPhi[n]


Fermat-Euler theorem

Generalized Fermat-Euler theorem

The solution of a linear congruence

Number of different values of phi(k) for k<=n

Farey fractions

Generators of cyclic groups

Carmichael conjecture

Number of necklaces

Probability that two randomly choosen positive integers are relatively prime

Prime roots