Q: Is 139,399 a Prime Number?

A: No, 139,399 is not a prime number.

Why is 139,399 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 139399 can be evenly divided by 1 13 10,723 and 139,399, with no remainder.

Since 139,399 cannot be divided by just 1 and 139,399, it is not a prime number.

Number	139,397	139,398	139,400	139,401
Prime?	yes	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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