Q: Is 220,023 a Prime Number?

A: No, 220,023 is not a prime number.

Why is 220,023 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 220023 can be evenly divided by 1 3 9 27 29 87 261 281 783 843 2,529 7,587 8,149 24,447 73,341 and 220,023, with no remainder.

Since 220,023 cannot be divided by just 1 and 220,023, it is not a prime number.

Number	220,021	220,022	220,024	220,025
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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