Q: Is 15,143 a Prime Number?

A: No, 15,143 is not a prime number.

Why is 15,143 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 15143 can be evenly divided by 1 19 797 and 15,143, with no remainder.

Since 15,143 cannot be divided by just 1 and 15,143, it is not a prime number.

Number	15,141	15,142	15,144	15,145
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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