Q: Is 1,123,689 a Prime Number?
A: No, 1,123,689 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 1123689 can be evenly divided by 1 3 7 21 73 219 511 733 1,533 2,199 5,131 15,393 53,509 160,527 374,563 and 1,123,689, with no remainder.
Since 1,123,689 cannot be divided by just 1 and 1,123,689, it is not a prime number.