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A248934
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Decimal expansion of 2^3217 - 1, the 18th Mersenne prime A000668(18).
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19
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2, 5, 9, 1, 1, 7, 0, 8, 6, 0, 1, 3, 2, 0, 2, 6, 2, 7, 7, 7, 6, 2, 4, 6, 7, 6, 7, 9, 2, 2, 4, 4, 1, 5, 3, 0, 9, 4, 1, 8, 1, 8, 8, 8, 7, 5, 5, 3, 1, 2, 5, 4, 2, 7, 3, 0, 3, 9, 7, 4, 9, 2, 3, 1, 6, 1, 8, 7, 4, 0, 1, 9, 2, 6, 6, 5, 8, 6, 3, 6, 2, 0, 8, 6, 2, 0, 1, 2, 0, 9, 5, 1, 6, 8, 0, 0, 4, 8, 3, 4, 0, 6, 5, 5, 0
(list;
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graph;
refs;
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history;
text;
internal format)
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OFFSET
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969,1
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COMMENTS
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The prime was found on September 8, 1957, by Hans Riesel, using BESK.
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LINKS
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FORMULA
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EXAMPLE
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25911708601320262777624676792244153094181888755312542730397492316187401...
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MATHEMATICA
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RealDigits[2^3217 - 1, 10, 100][[1]] (* G. C. Greubel, Oct 03 2017 *)
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PROG
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(Magma) Reverse(Intseq(2^3217-1));
(PARI) eval(Vec(Str(2^3217-1)))
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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