By factoring them. Prime numbers have only two factors. Composite numbers have three or more.
Composite numbers have more than two factors whereas prime numbers have only two factors.
There are more composite numbers than prime numbers, but there is no prime or composite number so great that you can't find a greater one of either kind.
To find a composite number, check if the number can be divided by 2,3,4,5, ect. If it can, it`s composite. If not, it`s prime.
You need at least two numbers to find an LCM. It doesn't matter whether they are prime or composite.
52 is composite. You need at least two numbers to find a GCF.
Composite numbers have more than two factors. Once you find a third factor, you know your number is composite.
Prime numbers are used to find the product of the prime factors of composite numbers.
25 and 36
to help find prime factorizations of composite numbers