Q: Is 178,422 a Prime Number?
A: No, 178,422 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 178422 can be evenly divided by 1 2 3 6 131 227 262 393 454 681 786 1,362 29,737 59,474 89,211 and 178,422, with no remainder.
Since 178,422 cannot be divided by just 1 and 178,422, it is not a prime number.