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50 - Digit Number II (Posted on 2005-05-13) Difficulty: 2 of 5
I am thinking of a fifty-digit number divisible by 239, of which, each digit is the same, except the ones digit. What is the ones digit?

See The Solution Submitted by Dustin    
Rating: 2.8000 (5 votes)

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  Subject Author Date
Some ThoughtsAssuming leading zeroesK Sengupta2008-05-18 02:25:02
Some ThoughtsProof of f(7n) being divisible by 239K Sengupta2008-05-18 02:24:00
SolutionPuzzle SolutionK Sengupta2008-05-18 02:22:15
AnswerK Sengupta2008-05-15 16:19:29
re(2): A systematic approachphi2005-06-22 08:17:53
Solution, but not very genericBruno2005-05-17 02:22:28
re: A systematic approachJustin2005-05-13 21:18:35
SolutionA systematic approachCharlie2005-05-13 18:00:09
Solutionre: Solution by lucky guessErik O.2005-05-13 17:12:33
Some Thoughtsthe best I achieved, until now. I'm still trying...pcbouhid2005-05-13 17:10:30
Solution by lucky guessJer2005-05-13 16:55:53
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