Q: Is 921,407 a Prime Number?
A: Yes, 921,407 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 921407 can be evenly divided by 1 and 921,407, with no remainder.
Since 921,407 can be divided by just 1 and 921,407, it is a prime number.