Q: Is 424,215 a Prime Number?
A: No, 424,215 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 424215 can be evenly divided by 1 3 5 9 11 15 33 45 55 99 165 495 857 2,571 4,285 7,713 9,427 12,855 28,281 38,565 47,135 84,843 141,405 and 424,215, with no remainder.
Since 424,215 cannot be divided by just 1 and 424,215, it is not a prime number.