1331
This number is a composite.
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1331- 12*n - 12*n^2 is prime for n = 1 to 10. Note that the
expression is equal to 11^3 for n = 0 and to 11 for n = 10. [Petrov]
Submitted: 2018-12-13 09:55:17; Last Modified: 2018-12-13 14:37:57.
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