hermann on Wed, 06 Nov 2024 21:04:16 +0100


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Re: Game: find the integers 

On 2024-11-06 20:55, American Citizen wrote:

Bill
Is this only true for values of n = 2^[1,2,4,8,16,32,64,128,256,512, etc] - 1 ?? 

Randall


No:

? n=2^64-1;
? 2*eulerphi(n)==n+1
0
?


Hermann.