Q: Is 1,423,159 a Prime Number?
A: Yes, 1,423,159 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1423159 can be evenly divided by 1 and 1,423,159, with no remainder.
Since 1,423,159 can be divided by just 1 and 1,423,159, it is a prime number.