Is 646 a composite number?
Question: Is 646 a composite number?
For 646 to be a composite number, it must be divisible by more than 646 and 1.
In other words, 646 must have more than two factors to be a composite number.
Since 646 is divisible by more than 646 and 1, 646 is a composite number.
Thus, the answer to the question "Is 646 a composite number?" is YES.
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