Q: Is 1,189,428 a Prime Number?
A: No, 1,189,428 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 1189428 can be evenly divided by 1 2 3 4 6 12 99,119 198,238 297,357 396,476 594,714 and 1,189,428, with no remainder.
Since 1,189,428 cannot be divided by just 1 and 1,189,428, it is not a prime number.