Q: Is 1,423,172 a Prime Number?
A: No, 1,423,172 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 1423172 can be evenly divided by 1 2 4 17 34 68 20,929 41,858 83,716 355,793 711,586 and 1,423,172, with no remainder.
Since 1,423,172 cannot be divided by just 1 and 1,423,172, it is not a prime number.