Q: Is 891,003 a Prime Number?

A: No, 891,003 is not a prime number.

Why is 891,003 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 891003 can be evenly divided by 1 3 43 129 6,907 20,721 297,001 and 891,003, with no remainder.

Since 891,003 cannot be divided by just 1 and 891,003, it is not a prime number.

Number	891,001	891,002	891,004	891,005
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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