Q: Is 422,521 a Prime Number?
A: No, 422,521 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 422521 can be evenly divided by 1 11 71 541 781 5,951 38,411 and 422,521, with no remainder.
Since 422,521 cannot be divided by just 1 and 422,521, it is not a prime number.