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• Graph of euler totient function code#

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Graph of euler totient function code#

For example, the apparently simple result (1) allowed mathematicians to build a code which is almost impossible to break, even though the key is made public (see for instance R. Sylvester defined also the “totatives” of n to be the integers rproposed the name “indicator” (see ). Sylvester introduced the word “totient”, while E. Dickson ) who introduced the symbol ϕ( n) for Euler’s ϕ-function, making the convention ϕ(1)=1. the multiplicativity property, which means that ϕ( mn)= ϕ( m) ϕ( n) whenever ( m, n)=1. Euler studied also other important properties of this function, e.g. Where ϕ( n) denotes the number of positive integers r< n such that ( r, n)=1.