A Prime number can only be divided by itself and 1 to give answers which are whole numbers. 125 can be divided by 125 and 1 but it can also be divided by 5 and 25 so it must be a composite number.
composite
Chat with our AI personalities
125z is composite. This is because 125 is already composite, so no matter what you multiply it by, it will be composite still.
4, composite. 67, prime.
Prime
1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.
5 prime, 25 composite.