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| The Last Three Digits (Posted on 2007-08-28) |
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A number and its square both have the same last three digits. What are the possibilities for those digits?
Solution (not necessarily a full list)
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 | Comment 1 of 9
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000, 001, 376, 625
Examples:
1000^2 = 1,000,000
1001^2 = 1,002,001
376^2 = 141,376
625^2 = 390,625
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Posted by Guest
on 2007-08-28 13:46:00 |
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