Q: Is 143,021 a Prime Number?

A: No, 143,021 is not a prime number.

Why is 143,021 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 143021 can be evenly divided by 1 17 47 179 799 3,043 8,413 and 143,021, with no remainder.

Since 143,021 cannot be divided by just 1 and 143,021, it is not a prime number.

Number	143,019	143,020	143,022	143,023
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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