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Four Digit Trial (Posted on 2014-06-05) Difficulty: 3 of 5
N is a 4-digit positive integer such that the sum of the four digits of N equals the product of the first two digits of N and also equals the product of the last two digits of N.

Find all N's and prove there are no others.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionFinding all N'sAdy TZIDON2014-06-06 04:33:13
SolutionNon-computer solutiontomarken2014-06-05 17:19:25
Solutioncomputer solutionCharlie2014-06-05 16:41:56
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