This number is a prime.

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The sum of the first 3301 positive repunits (i.e., 1+11+111+1111+...) is a 3301-digit prime number. Note that 3301 is the first prime of which this happens. [Antonious]

Submitted: 2019-01-12 11:24:40;   Last Modified: 2019-01-13 15:12:57.
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