Q: Is 500,143 a Prime Number?

A: No, 500,143 is not a prime number.

Why is 500,143 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 500143 can be evenly divided by 1 7 49 59 173 413 1,211 2,891 8,477 10,207 71,449 and 500,143, with no remainder.

Since 500,143 cannot be divided by just 1 and 500,143, it is not a prime number.

Number	500,141	500,142	500,144	500,145
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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