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Q: How would you know if a number is composite?

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

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

A number is composite if it has more than two factors. Once you find a third, you know.

I would say that the number 59 is a prime number because it has exactly 2 numbers.

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.

The composite number out of this group of numbers would be 4.

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

dont know dont care

93 is a composite number, so 93A should be a composite number if A is an integer. 67B would be a composite number if B is an integer greater than 1. 47C would be a composite number if C is an integer greater than 1. 31D would be a composite number if D is an integer greater than 1. Any number that can be produced by multiplying two integers greater than 1 together will be a composite number. So, 67 x B would be a composite number, even though 67 itself is prime.

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