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A181680
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Primes p such that (p-1)/2, (p-2)/3, (p-3)/4, (p-4)/5 and (p-5)/6 are prime numbers.
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1
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7224839, 9339119, 10780559, 42464519, 45652319, 53464319, 62198639, 69899759, 94159799, 121136399, 130777919, 158608799, 191010959, 285785639, 288308159, 322461719, 353256119, 402411239, 423803519
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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[20000000]], PrimeQ[(#-1)/2]&&PrimeQ[(#-2)/3]&&PrimeQ[(#-3)/4]&&PrimeQ[(#-4)/5]&&PrimeQ[(#-5)/6]&]
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CROSSREFS
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KEYWORD
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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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