Is 421 a composite number?
Question: Is 421 a composite number?
For 421 to be a composite number, it must be divisible by more than 421 and 1.
In other words, 421 must have more than two factors to be a composite number.
Since 421 is only divisible by 421 and 1, 421 is not composite number.
Thus, the answer to the question "Is 421 a composite number?" is NO.
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