Q: Is 5,123,423 a Prime Number?
A: No, 5,123,423 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 5123423 can be evenly divided by 1 47 67 1,627 3,149 76,469 109,009 and 5,123,423, with no remainder.
Since 5,123,423 cannot be divided by just 1 and 5,123,423, it is not a prime number.