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LCM 540 (Posted on 2014-12-22) Difficulty: 3 of 5
How many pairs of positive integers, without regard to order, have a least common multiple of 540?

See The Solution Submitted by Charlie    
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re(2): One for column A, and one .. (spoiler?) Comment 6 of 6 |
(In reply to re: One for column A, and one .. (spoiler?) by Ady TZIDON)

Language is such a slippery thing.  I interpreted "without regard to order" to mean that we were not limiting ourselves to ordered pairs.
  Posted by Steve Herman on 2014-12-23 10:32:59

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