Q: Is 428,504 a Prime Number?

A: No, 428,504 is not a prime number.

Why is 428,504 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 428504 can be evenly divided by 1 2 4 8 29 58 116 232 1,847 3,694 7,388 14,776 53,563 107,126 214,252 and 428,504, with no remainder.

Since 428,504 cannot be divided by just 1 and 428,504, it is not a prime number.

Number	428,502	428,503	428,505	428,506
Prime?	no	yes	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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