Q: Is 4,239 a Prime Number?

A: No, 4,239 is not a prime number.

Why is 4,239 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 4239 can be evenly divided by 1 3 9 27 157 471 1,413 and 4,239, with no remainder.

Since 4,239 cannot be divided by just 1 and 4,239, it is not a prime number.

Number	4,237	4,238	4,240	4,241
Prime?	no	no	no	yes

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

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