Q: Is 21,829 a Prime Number?
A: No, 21,829 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 21829 can be evenly divided by 1 83 263 and 21,829, with no remainder.
Since 21,829 cannot be divided by just 1 and 21,829, it is not a prime number.