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Equal digits (Posted on 2012-06-11) Difficulty: 1 of 5
What is the biggest 5 digit number such that when multiplied by a single digit, the result is a six digit number, with all digits identical?

See The Solution Submitted by Ady TZIDON    
Rating: 4.0000 (4 votes)

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Some Thoughts Extra credit (double digit multiplier) | Comment 5 of 7 |
If multiplying by a two digit number, the biggest 4 digit number is 9009.  9009 *37 = 333333

If multiplying by a two digit number, the biggest 5 digit number is 90909.  90909 *11 = 999999

  Posted by Steve Herman on 2012-06-12 15:31:12
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