Q: Is 1,421,103 a Prime Number?
A: No, 1,421,103 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 1421103 can be evenly divided by 1 3 307 921 1,543 4,629 473,701 and 1,421,103, with no remainder.
Since 1,421,103 cannot be divided by just 1 and 1,421,103, it is not a prime number.