Q: Is 42,423 a Prime Number?
A: No, 42,423 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 42423 can be evenly divided by 1 3 79 179 237 537 14,141 and 42,423, with no remainder.
Since 42,423 cannot be divided by just 1 and 42,423, it is not a prime number.