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Prime divisors of 2^36-1.
1

%I #4 Mar 30 2012 17:26:28

%S 3,5,7,13,19,37,73,109

%N Prime divisors of 2^36-1.

%C Prime terms of A003543 (Divisors of 2^36 - 1).

%t Select[Divisors[2^36-1],PrimeQ]

%t (*or*)#[[1]]&/@FactorInteger[2^36-1]

%Y A003543

%K fini,full,nonn,easy

%O 1,1

%A _Zak Seidov_, Jan 14 2009