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Q: How do you know it is a composite number?

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You know 120 is a composite number because it is an even number that is greater than 2.

No it is a composite number if you want to know

Composite numbers have more than two factors. Once you find a third factor, you know your number is composite.

We know that 28 is a composite number because:It is an even numberIt is divisible by more than 2 numbers

No, if a number has even one additional factor besides itself and the number one, then you automatically know it's composite.

Composite: i know it can at least be divided by 2 and 3

dont know dont care

To know that a number is prime you need to know that it has no factors other than 1 and the number itself.To know that a number is composite you only need to know one factor other than the number itself or 1.

It has more than two factors.

A prime number can never be composite in any case. There is an exception for 2 which is both.

The only even prime number is 2. Every other even number is composite.

For goodness sake! This will be on a test one day and you will not know it! But, the answer is no, it is prime

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