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Similar Six Sequence (Posted on 2005-11-18) Difficulty: 2 of 5
If A*BCDEF=GGGGGG, and each different letter stands for a different digit, what's G?

See The Solution Submitted by Old Original Oskar!    
Rating: 3.7500 (4 votes)

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Question re: solution - spoiler | Comment 2 of 20 |
(In reply to solution - spoiler by pcbouhid)

"Thus, A * BCDEF = G * 3 * 7 * 11 * 13 * 37, and so A must be either 3 or 7."

At this point, how did you rule out G being composite and A being a factor of G? (... or 3 * a factor of G, or G being 2 and A being 6)?


  Posted by Charlie on 2005-11-18 10:25:46
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