Search: id:A057713
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%I A057713
%S A057713 1,5,29,11,2309,30029,61,53,37,79,228737,229,304250263527209,141269,191,
%T A057713 87337,27600124633,1193,163,260681003321,313,163,139,
%U A057713 23768741896345550770650537601358309,66683,2990092035859,15649,17515703,
               719,295201,15098753,10172884549,20962699238647,4871,673,311,1409,
               1291,331,1450184819,23497,711427,521,673,519577,1372062943,56543,
               811,182309,53077,641,349,389
%N A057713 Smallest prime divisor of Kummer numbers ( = primorials - 1).
%H A057713 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               matha1/matha103.htm">Factorizations of many number sequences</a>
%H A057713 R. G. Wilson v, <a href="a38507.txt">Explicit factorizations</a>
%e A057713 6th term in the sequence corresponds to 7th primorial=510510 and 510509=61.8369, 
               so a(7)=61
%Y A057713 Cf. A002110, A057588, A002585, A006862, A002584.
%Y A057713 Sequence in context: A083020 A033503 A057206 this_sequence A124987 A002584 
               A001990
%Y A057713 Adjacent sequences: A057710 A057711 A057712 this_sequence A057714 A057715 
               A057716
%K A057713 nonn
%O A057713 1,2
%A A057713 Labos E. (labos(AT)ana.sote.hu), Oct 25 2000
%E A057713 More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Larry 
               Reeves (larryr(AT)acm.org) and Robert G. Wilson v (rgwv(AT)rgwv.com), 
               Apr 02 2001

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