Q: Is 21,885 a Prime Number?
A: No, 21,885 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 21885 can be evenly divided by 1 3 5 15 1,459 4,377 7,295 and 21,885, with no remainder.
Since 21,885 cannot be divided by just 1 and 21,885, it is not a prime number.