Q: Is 1,166,428 a Prime Number?
A: No, 1,166,428 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 1166428 can be evenly divided by 1 2 4 163 326 652 1,789 3,578 7,156 291,607 583,214 and 1,166,428, with no remainder.
Since 1,166,428 cannot be divided by just 1 and 1,166,428, it is not a prime number.