12 and 16
12 & 16
No need to answer it anymore.
12 and 16
39 is a composite number whose proper factors add up to 16.
The GCF of 6 and 10 is 2.
No, the sum of a prime number and a composite number is not always even.
There are no three composite numbers whose product is 100. There is a huge number of composite numbers whose sum is 100 - far more than I am prepared to list. 20 + 30 + 50 is one example.
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.
38
4 and 8.
Composite.
Composite.