Q: Is 517,423 a Prime Number?
A: No, 517,423 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 517423 can be evenly divided by 1 47 101 109 4,747 5,123 11,009 and 517,423, with no remainder.
Since 517,423 cannot be divided by just 1 and 517,423, it is not a prime number.