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Spirit of '76 (Posted on 2004-03-14) Difficulty: 3 of 5
Can you find a 76-digit multiple of 276, written exclusively with 7s and 6s?

See The Solution Submitted by Federico Kereki    
Rating: 4.2500 (8 votes)

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Some Thoughts Look, Ma, no multiplying! | Comment 7 of 8 |
I found a way to solve this using only sums, and the value of 2 to the 76... I guess I'll post this as a candidate problem.
  Posted by e.g. on 2004-03-14 20:33:49
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