23

This number is a prime.

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How many terms of the series 1 + 1/2 + 1/3 + ... + 1/9 + 1/11 + ... (which excludes all denominators containing 0) is required to produce a sum greater than 23? [Honaker]

Submitted: 2018-12-30 17:33:54;   Last Modified: 2018-12-30 19:59:09.
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