Q: Is 423,375 a Prime Number?
A: No, 423,375 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 423375 can be evenly divided by 1 3 5 15 25 75 125 375 1,129 3,387 5,645 16,935 28,225 84,675 141,125 and 423,375, with no remainder.
Since 423,375 cannot be divided by just 1 and 423,375, it is not a prime number.