Q: Is 1,421,404 a Prime Number?
A: No, 1,421,404 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 1421404 can be evenly divided by 1 2 4 17 34 68 20,903 41,806 83,612 355,351 710,702 and 1,421,404, with no remainder.
Since 1,421,404 cannot be divided by just 1 and 1,421,404, it is not a prime number.