Q: Is 453,421 a Prime Number?
A: Yes, 453,421 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 453421 can be evenly divided by 1 and 453,421, with no remainder.
Since 453,421 can be divided by just 1 and 453,421, it is a prime number.