Q: Is 21,834 a Prime Number?
A: No, 21,834 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 21834 can be evenly divided by 1 2 3 6 9 18 1,213 2,426 3,639 7,278 10,917 and 21,834, with no remainder.
Since 21,834 cannot be divided by just 1 and 21,834, it is not a prime number.