Q: Is 428,872 a Prime Number?

A: No, 428,872 is not a prime number.

Why is 428,872 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 428872 can be evenly divided by 1 2 4 8 53,609 107,218 214,436 and 428,872, with no remainder.

Since 428,872 cannot be divided by just 1 and 428,872, it is not a prime number.

Number	428,870	428,871	428,873	428,874
Prime?	no	no	yes	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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