Q: Is 206,421 a Prime Number?
A: No, 206,421 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 206421 can be evenly divided by 1 3 83 249 829 2,487 68,807 and 206,421, with no remainder.
Since 206,421 cannot be divided by just 1 and 206,421, it is not a prime number.