Q: Is 423,021 a Prime Number?

A: No, 423,021 is not a prime number.

Why is 423,021 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 423021 can be evenly divided by 1 3 37 103 111 309 1,369 3,811 4,107 11,433 141,007 and 423,021, with no remainder.

Since 423,021 cannot be divided by just 1 and 423,021, it is not a prime number.

Number	423,019	423,020	423,022	423,023
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions