Q: Is 20,449 a Prime Number?
A: No, 20,449 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 20449 can be evenly divided by 1 11 13 121 143 169 1,573 1,859 and 20,449, with no remainder.
Since 20,449 cannot be divided by just 1 and 20,449, it is not a prime number.