Q: Is 1,428,790 a Prime Number?
A: No, 1,428,790 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 1428790 can be evenly divided by 1 2 5 10 11 22 31 55 62 110 155 310 341 419 682 838 1,705 2,095 3,410 4,190 4,609 9,218 12,989 23,045 25,978 46,090 64,945 129,890 142,879 285,758 714,395 and 1,428,790, with no remainder.
Since 1,428,790 cannot be divided by just 1 and 1,428,790, it is not a prime number.