Q: Is 238,143 a Prime Number?

A: No, 238,143 is not a prime number.

Why is 238,143 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 238143 can be evenly divided by 1 3 163 487 489 1,461 79,381 and 238,143, with no remainder.

Since 238,143 cannot be divided by just 1 and 238,143, it is not a prime number.

Number	238,141	238,142	238,144	238,145
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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