Is 641 a composite number?
Question: Is 641 a composite number?
For 641 to be a composite number, it must be divisible by more than 641 and 1.
In other words, 641 must have more than two factors to be a composite number.
Since 641 is only divisible by 641 and 1, 641 is not composite number.
Thus, the answer to the question "Is 641 a composite number?" is NO.
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