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A167738
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Primes that becomes a square when prefixed with a 5.
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8
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29, 929, 2441, 3361, 4289, 7121, 8081, 9049, 19841, 34361, 49081, 61001, 76081, 88289, 94441, 112121, 121169, 148361, 193841, 230369, 239521, 276209, 322249, 377761, 414929, 461569, 536609, 564881, 583769, 602689, 621641, 707321, 745609
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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[10000]], IntegerQ[Sqrt[FromDigits[Join[{5}, IntegerDigits[#]]]]]&] (* G. C. Greubel, Jun 23 2016 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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