composite seeing as if a number has more factors than 1 and itself.
If you multiply a Prime number the product will be a composite number. This is because it will have more than two factors as the prime number will be a factor.
Example
The factors of 3 are:
3 : 1,3
3 multiplied by 3 is 9.
The factors of 9 are:
9 : 1,3,9
Multiples of any numbers other than 1 are composite numbers.
The multiples of primes are composite, because they are divisible by the two numbers that were multiplied to make it.
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They are primes.
That's a prime factorization.
It's an enormous list; we wouldn't be able to get them all. All of the prime numbers in that range are co-prime with each other. The composite numbers, as long as they aren't multiples of the primes, are co-prime with the primes. The square numbers are co-prime with each other and quite a few of the composite numbers are co-prime with each other. If you could narrow the range, we could be more specific.
To write a composite whole number as the product of its prime factors is to write its prime factorization.
7 is a factor of 77 so it cannot be a prime. So it has to be composite.It is composite since 7 x 11 is 77 and those are both primes. That is to say, it is the product of two primes and that makes it composite.