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The faces of a standard die are numbered 1, 2, 3, 4, 5, and 6 such that the sum of the numbers on any two opposite faces is 7. Tia writes one number on each vertex of the die such that the number on each face of the die is the greatest common divisor of the numbers at the four vertices of that face. What is the smallest possible sum of the eight numbers Tia writes?

 Sep 23, 2020
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This is a AoPS Middle School Contest Math homework question! Instead of asking here, you can ask on the message board of your class for some help!

 Sep 23, 2020

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