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+ The larger, of only two six-digit integers, abcdef, that has the property that both (abcdef)/(a+b+c+d+e+f) and (abcdef)/(a*b*c*d*e*f) are both prime. Coincidentally, they are the same prime. [Patterson]

(There is one curio for this number that has not yet been approved by an editor.)

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