Q: Is 40,089 a Prime Number?

A: No, 40,089 is not a prime number.

Why is 40,089 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 40089 can be evenly divided by 1 3 7 21 23 69 83 161 249 483 581 1,743 1,909 5,727 13,363 and 40,089, with no remainder.

Since 40,089 cannot be divided by just 1 and 40,089, it is not a prime number.

Number	40,087	40,088	40,090	40,091
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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