Q: Is 20,985 a Prime Number?
A: No, 20,985 is 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 20985 can be evenly divided by 1 3 5 15 1,399 4,197 6,995 and 20,985, with no remainder.
Since 20,985 cannot be divided by just 1 and 20,985, it is not a prime number.