Q: Is 171,980 a Prime Number?

A: No, 171,980 is not a prime number.

Why is 171,980 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 171980 can be evenly divided by 1 2 4 5 10 20 8,599 17,198 34,396 42,995 85,990 and 171,980, with no remainder.

Since 171,980 cannot be divided by just 1 and 171,980, it is not a prime number.

Number	171,978	171,979	171,981	171,982
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