A391941 - OEIS

%I #8 Dec 28 2025 22:25:26

%S 37975227936943673922808872755445627854565536638199,

%T 5846418214406154678836553182979162384198610505601062333,

%U 327414555693498015751146303749141488063642403240171463406883,3490529510847650949147849619903898133417764638493387843990820577,39685999459597454290161126162883786067576449112810064832555157243

%N The smaller prime factor of RSA numbers.

%C Please see comments and references in A391940.

%H Antti Karttunen, <a href="/A391941/b391941.txt">Table of n, a(n) for n = 1..23</a>

%F a(n) = A020639(A391940(n)) = A391940(n) / A391942(n).

%Y Cf. A020639, A391940, A391942.

%K nonn,fini,hard,more

%O 1,1

%A _Antti Karttunen_, Dec 28 2025