Q: Is 1,400,321 a Prime Number?
A: No, 1,400,321 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 1400321 can be evenly divided by 1 13 107,717 and 1,400,321, with no remainder.
Since 1,400,321 cannot be divided by just 1 and 1,400,321, it is not a prime number.