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Digit Product Puzzle (Posted on 2015-09-03) Difficulty: 2 of 5
N is a 6-digit positive integer whose product of the digits is 2520.
What is the probability that the sum of the digits of N is a perfect square?

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Solutionre(2): analytic solution -- correctedCharlie2015-09-03 16:32:01
re: analytic solutionAdy TZIDON2015-09-03 12:17:48
analytic solutionCharlie2015-09-03 11:06:44
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