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| 5-digit period (Posted on 2011-12-16) |
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What are two primes p > 0 for which 1/p has a purely periodic decimal expansion with a period 5 digits long?
Source: California math competition 2001
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No Solution Yet
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Submitted by Ady TZIDON
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Rating: 4.0000 (3 votes)
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re: Answer
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Comment 3 of 3 | 
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(In reply to Answer by Math Man)
Excellent!
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