277
This number is a prime.
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The sum 1/2 + 1/3 + 1/5 + 1/7 + 1/11 + ... + 1/271 + 1/277 just exceeds the first prime number. [Wilson]
Submitted: 2000-10-31 17:47:02; Last Modified: 2008-07-31 17:08:53.
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