Q: Is 978,005 a Prime Number?

A: No, 978,005 is not a prime number.

Why is 978,005 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 978005 can be evenly divided by 1 5 7 35 27,943 139,715 195,601 and 978,005, with no remainder.

Since 978,005 cannot be divided by just 1 and 978,005, it is not a prime number.

Number	978,003	978,004	978,006	978,007
Prime?	no	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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