9091
This number is a prime.
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The smallest prime of the form 10k-10^(k-1).....+10^0, for
k=4. [Silva]
Submitted: 2009-06-02 19:51:20; Last Modified: 2009-06-03 10:57:16.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell