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Last 2007 digits (Posted on 2012-05-12) Difficulty: 3 of 5
Determine the total count of positive integers n between 1 and 102007 inclusively such that the last 2007 digits of n and n3 are the same. (If n or n3 has fewer than 2007 digits, treat it as if it had zeros on the left to compare the last 2007 digits.)

No Solution Yet Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

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  Subject Author Date
Solution15 solutionsMath Man2012-05-14 11:17:10
SolutionPossible solutionMath Man2012-05-14 10:28:09
A startJer2012-05-14 09:05:33
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