# 4

This number is a composite.

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Let *n*be an integer, and let C(

*n*) be the number of ways

*n*can be written as the sum of two primes. The numbers, C(

*n*) are called

*Goldbach*numbers. E.g., C(34) = 4 because 34 can be written as 3 + 31, 5 + 29, 11 + 23, and 17 + 17.

Submitted: 1999-09-02 23:40:00; Last Modified: 2011-08-01 17:35:01.

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