Q: Is 457,921 a Prime Number?
A: No, 457,921 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 457921 can be evenly divided by 1 47 9,743 and 457,921, with no remainder.
Since 457,921 cannot be divided by just 1 and 457,921, it is not a prime number.