Q: Is 978,439 a Prime Number?

A: No, 978,439 is not a prime number.

Why is 978,439 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 978439 can be evenly divided by 1 7 11 77 97 131 679 917 1,067 1,441 7,469 10,087 12,707 88,949 139,777 and 978,439, with no remainder.

Since 978,439 cannot be divided by just 1 and 978,439, it is not a prime number.

Number	978,437	978,438	978,440	978,441
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions