Q: Is 200,431 a Prime Number?

A: No, 200,431 is not a prime number.

Why is 200,431 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 200431 can be evenly divided by 1 7 11 19 77 133 137 209 959 1,463 1,507 2,603 10,549 18,221 28,633 and 200,431, with no remainder.

Since 200,431 cannot be divided by just 1 and 200,431, it is not a prime number.

Number	200,429	200,430	200,432	200,433
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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