Q: Is 728,790 a Prime Number?
A: No, 728,790 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 728790 can be evenly divided by 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 1,429 2,858 4,287 7,145 8,574 14,290 21,435 24,293 42,870 48,586 72,879 121,465 145,758 242,930 364,395 and 728,790, with no remainder.
Since 728,790 cannot be divided by just 1 and 728,790, it is not a prime number.