The three composite numbers are 28, 30 and 32. Their sum is 90.
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There are no three consecutive numbers with a sum of 170.
the answer of the first 4 composite numbers is 27
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
The sum of two prime numbers will be composite unless one of the prime numbers is 2.
The composite numbers between 1 and 10 are 4, 6, 8, 9, 10. And their sum is 37.