Q: Is 178,423 a Prime Number?
A: No, 178,423 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 178423 can be evenly divided by 1 7 71 359 497 2,513 25,489 and 178,423, with no remainder.
Since 178,423 cannot be divided by just 1 and 178,423, it is not a prime number.