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A216823
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Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors.
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3
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2, 3, 5, 7, 11, 13, 17, 23, 31, 41, 43, 59, 71, 103, 163, 1381, 1831, 3041, 4447, 47057, 47059, 47137, 61559, 67213, 138683, 713863, 775807, 2861051, 28282147, 29133437, 2259696349, 3892535183, 110725121051, 1456230512169437
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listen;
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OFFSET
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1,1
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COMMENTS
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See A007850 for comments, references, and links.
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LINKS
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EXAMPLE
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30 = 2*3*5 is a Giuga number, so 2, 3, 5 are members.
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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