Q: Is 126,423 a Prime Number?
A: No, 126,423 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 126423 can be evenly divided by 1 3 9 11 33 99 1,277 3,831 11,493 14,047 42,141 and 126,423, with no remainder.
Since 126,423 cannot be divided by just 1 and 126,423, it is not a prime number.