Q: Is 9,855 a Prime Number?

A: No, 9,855 is not a prime number.

Why is 9,855 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 9855 can be evenly divided by 1 3 5 9 15 27 45 73 135 219 365 657 1,095 1,971 3,285 and 9,855, with no remainder.

Since 9,855 cannot be divided by just 1 and 9,855, it is not a prime number.

Number	9,853	9,854	9,856	9,857
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions