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| A cool prime number (Posted on 2011-01-27) |
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My friend was thinking of a 3-digit prime number. I asked him, "What are the last two digits of your number?" He answered, and I knew what the number was. What was the number?
Solution (Using Excel)
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 | Comment 1 of 3
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389
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Posted by hoodat
on 2011-01-27 15:13:26 |
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