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A200861
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Prime factors of 10^100 - 1.
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2
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3, 3, 11, 41, 101, 251, 271, 3541, 5051, 9091, 21401, 25601, 27961, 60101, 7019801, 182521213001, 14103673319201, 78875943472201, 1680588011350901
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OFFSET
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1,1
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COMMENTS
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Is this sequence the same as "Primes p such that 10^p - 1 divides 10^(10^100) - 10"?
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LINKS
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Eric Weisstein's World of Mathematics, Googol
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MAPLE
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sort(map(i-> i[1]$i[2], ifactors(10^100-1)[2]))[]; # Alois P. Heinz, Jan 27 2023
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MATHEMATICA
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Join[{3}, Transpose[FactorInteger[10^100 - 1]][[1]]]
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CROSSREFS
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Subsequence of A178070 except for 3.
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KEYWORD
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fini,full,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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