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Powers of Ten (Posted on 2015-07-14) Difficulty: 3 of 5
Does the arithmetic sequence 1, 2188, 4375, 6562, ...... contain infinitely many powers of 10?
Give reasons for your answer.

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

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re(2): Pwerful answer (spoiler) | Comment 5 of 7 |
(In reply to re: Pwerful answer (spoiler) by Charlie)

Well, yes, now that you mention it, I do appear to have overstepped somewhat.  This is not true if k and s have a common factor.  Thanks for keeping me honest.

  Posted by Steve Herman on 2015-07-14 16:27:47
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