OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {3, 6, 7}]=={} &]
Select[Flatten[Table[FromDigits/@Tuples[{3, 6, 7}, n], {n, 5}]], PrimeQ] (* Harvey P. Dale, Apr 13 2022 *)
PROG
(Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [3, 6, 7]];
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Vincenzo Librandi, Aug 01 2015
STATUS
approved
