9

This number is a composite.

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The conjecture that all odd integers greater than 9 are the sum of three odd primes is called the "weak" Goldbach conjecture. It was finally proved to be true by mathematician Harald Hefgott of the École Normale Supérieure in Paris.

Submitted: 1999-09-02 18:40:00;   Last Modified: 2022-03-01 19:45:57.
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