Q: Is 210,423 a Prime Number?
A: No, 210,423 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 210423 can be evenly divided by 1 3 70,141 and 210,423, with no remainder.
Since 210,423 cannot be divided by just 1 and 210,423, it is not a prime number.