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Euler's indicatrix |
discrete curve |
This function φ, also known as Euler's function, is defined as the number of
natural numbers less than n which have no common divisor with n.
Examples: φ(6) = 2, φ(p) = p - 2, where p is a prime.
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Examples: φ(6) = 2, φ(p) = p - 2, where p is a prime.
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