Let n=79(adsbygoogle = window.adsbygoogle || []).push({});

phi is Euler totient

Can you find a number k such as :

phi(k)=0 mod 79

phi(k+1)=0 mod 79

phi(k+2)=0 mod 79

phi(k+3)=0 mod 79

.....

phi(k+78)=0 mod 79

phi(k+79)=0 mod 79

Good luck!

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# Euler totient puzzle

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