Q: Is 340,423 a Prime Number?
A: No, 340,423 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 340423 can be evenly divided by 1 19 23 41 361 437 779 943 8,303 14,801 17,917 and 340,423, with no remainder.
Since 340,423 cannot be divided by just 1 and 340,423, it is not a prime number.