Q: Is 422,178 a Prime Number?
A: No, 422,178 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 422178 can be evenly divided by 1 2 3 6 17 34 51 102 4,139 8,278 12,417 24,834 70,363 140,726 211,089 and 422,178, with no remainder.
Since 422,178 cannot be divided by just 1 and 422,178, it is not a prime number.