Q: Is 428,528 a Prime Number?

A: No, 428,528 is not a prime number.

Why is 428,528 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 428528 can be evenly divided by 1 2 4 8 16 26,783 53,566 107,132 214,264 and 428,528, with no remainder.

Since 428,528 cannot be divided by just 1 and 428,528, it is not a prime number.

Number	428,526	428,527	428,529	428,530
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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