Q: Is 218,821 a Prime Number?
A: No, 218,821 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 218821 can be evenly divided by 1 127 1,723 and 218,821, with no remainder.
Since 218,821 cannot be divided by just 1 and 218,821, it is not a prime number.