1493

This number is a prime.

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The largest known Stern prime, i.e., it is not the sum of a smaller prime and twice the square of a nonzero integer. These are Named after Jewish mathematician Moritz Abraham Stern (1807-1894).

Submitted: 2006-07-22 16:51:28;   Last Modified: 2009-01-04 17:08:12.
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