10000...99999 (1399-digits)

This number is a prime.

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The first titanic prime of the form 10^(2k)+10^k-1 (for k = 699), formed from 1 followed by 699 zeros and 699 nines. [Silva]

Submitted: 2009-06-27 18:52:30;   Last Modified: 2009-06-27 19:14:17.
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