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#### mathworker

##### Well-known member

- May 31, 2013

- 119

if \(\displaystyle \varphi(a)=x\) and $\varphi(b)=y$ are two numbers such that \(\displaystyle \text{gcd}(x,y)=1\) can we find $a$,$b$ such that \(\displaystyle \text{gcd}(a,b)=1\).

Where $\varphi()$ is Euler's totient function

Where $\varphi()$ is Euler's totient function

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