Q: Is 1,338,165 a Prime Number?
A: No, 1,338,165 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 1338165 can be evenly divided by 1 3 5 9 15 45 131 227 393 655 681 1,135 1,179 1,965 2,043 3,405 5,895 10,215 29,737 89,211 148,685 267,633 446,055 and 1,338,165, with no remainder.
Since 1,338,165 cannot be divided by just 1 and 1,338,165, it is not a prime number.