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A106114
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Primes with minimal digit > 3.
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1
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5, 7, 47, 59, 67, 79, 89, 97, 449, 457, 467, 479, 487, 499, 547, 557, 569, 577, 587, 599, 647, 659, 677, 757, 769, 787, 797, 857, 859, 877, 887, 947, 967, 977, 997, 4447, 4457, 4547, 4549, 4567, 4597, 4649, 4657, 4679, 4759, 4787, 4789, 4799, 4877, 4889, 4957
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Prime[Range[400]], Min[IntegerDigits[ # ]]>3&]
Flatten[Table[Select[FromDigits/@Tuples[Range[4, 9], n], PrimeQ], {n, 4}]] (* Harvey P. Dale, Jan 09 2016 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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