Q: Is 109,143 a Prime Number?

A: No, 109,143 is not a prime number.

Why is 109,143 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 109143 can be evenly divided by 1 3 9 67 181 201 543 603 1,629 12,127 36,381 and 109,143, with no remainder.

Since 109,143 cannot be divided by just 1 and 109,143, it is not a prime number.

Number	109,141	109,142	109,144	109,145
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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