Q: Is 1,128,609 a Prime Number?
A: No, 1,128,609 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 1128609 can be evenly divided by 1 3 9 89 267 801 1,409 4,227 12,681 125,401 376,203 and 1,128,609, with no remainder.
Since 1,128,609 cannot be divided by just 1 and 1,128,609, it is not a prime number.