%I A046503
%S A046503 47,59,79,89,97,139,149,157,179,193,197,227,229,239,263,283,293,337,
%T A046503 347,353,359,367,373,383,389,419,433,443,449,463,479,487,491,499,571,
%U A046503 577,593,619,643,661,673,683,691,719,733,743,751,757,797,823,829,839
%N A046503 Primes with multiplicative persistence value 3.
%H A046503 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MultiplicativePersistence.html">Multiplicative Persistence</a>
%e A046503 47 -> 4 * 7 -> [ 28 ] -> 2 * 8 -> [ 16 ] -> 1 * 6 -> [ 6 ] -> one digit 
               in three steps.
%Y A046503 Cf. A046500, A046512.
%Y A046503 Sequence in context: A045140 A104852 A061758 this_sequence A102274 A139909 
               A126980
%Y A046503 Adjacent sequences: A046500 A046501 A046502 this_sequence A046504 A046505 
               A046506
%K A046503 nonn
%O A046503 0,1
%A A046503 Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.