Q: Is 1,703,421 a Prime Number?
A: No, 1,703,421 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 1703421 can be evenly divided by 1 3 9 47 141 423 4,027 12,081 36,243 189,269 567,807 and 1,703,421, with no remainder.
Since 1,703,421 cannot be divided by just 1 and 1,703,421, it is not a prime number.