This number is a prime.

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Levy's conjecture (1963) states that all odd numbers greater than or equal to 7 are the sum of a prime plus twice a prime. It was named after Hyman Levy, who was apparently unaware that the conjecture was first stated by Émile Lemoine in 1894. [Capelle]

Submitted: 2006-10-14 02:54:26;   Last Modified: 2009-02-26 09:41:14.
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