Q: Is 4,431 a Prime Number?

A: No, 4,431 is not a prime number.

Why is 4,431 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 4431 can be evenly divided by 1 3 7 21 211 633 1,477 and 4,431, with no remainder.

Since 4,431 cannot be divided by just 1 and 4,431, it is not a prime number.

Number	4,429	4,430	4,432	4,433
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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