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A046703 Multiplicative primes: product of digits is a prime. 4
2, 3, 5, 7, 13, 17, 31, 71, 113, 131, 151, 211, 311, 1117, 1151, 1171, 1511, 2111, 11113, 11117, 11131, 11171, 11311, 111121, 111211, 112111, 113111, 131111, 311111, 511111, 1111151, 1111211, 1111711, 1117111, 1171111, 11111117, 11111131, 11111171, 11111311, 11113111, 11131111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

MATHEMATICA

Select[Prime[Range[740000]], PrimeQ[Times@@IntegerDigits[#]]&] (* From Harvey P. Dale, Oct 02 2011 *)

CROSSREFS

Sequence in context: A172979 A118724 A046732 * A118722 A051026 A028865

Adjacent sequences:  A046700 A046701 A046702 * A046704 A046705 A046706

KEYWORD

base,nonn,changed

AUTHOR

Felice Russo

EXTENSIONS

Corrected by Harvey P. Dale, Oct 02 2011

STATUS

approved

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Last modified May 20 12:21 EDT 2013. Contains 225459 sequences.