This number is a composite.

                                                             3693 0553345551

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Douglas McNeil disproved a 2009 conjecture of Zhi-Wei Sun when he found that 36930553345551 cannot be written as the sum of a prime, a Fibonacci number and an even Lucas number. [Post]

Submitted: 2010-03-11 09:47:50;   Last Modified: 2010-03-11 13:44:18.
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