Q: Is 178,428 a Prime Number?
A: No, 178,428 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 178428 can be evenly divided by 1 2 3 4 6 12 14,869 29,738 44,607 59,476 89,214 and 178,428, with no remainder.
Since 178,428 cannot be divided by just 1 and 178,428, it is not a prime number.