Q: Is 1,233,421 a Prime Number?
A: No, 1,233,421 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 1233421 can be evenly divided by 1 7 23 47 161 163 329 1,081 1,141 3,749 7,567 7,661 26,243 53,627 176,203 and 1,233,421, with no remainder.
Since 1,233,421 cannot be divided by just 1 and 1,233,421, it is not a prime number.