Composite numbers are positive integers greater than 1 that are divisible by numbers other than 1 and themselves. Here are the first five composite numbers:

1. 4: Factors: 1, 2, 4.
2. 6: Factors: 1, 2, 3, 6.
3. 8: Factors: 1, 2, 4, 8.
4. 9: Factors: 1, 3, 9.
5. 10: Factors: 1, 2, 5, 10.

The sum of 4, 6, 8, 9, and 10 is 37.