Q: Is 728,450 a Prime Number?
A: No, 728,450 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 728450 can be evenly divided by 1 2 5 10 17 25 34 50 85 170 425 850 857 1,714 4,285 8,570 14,569 21,425 29,138 42,850 72,845 145,690 364,225 and 728,450, with no remainder.
Since 728,450 cannot be divided by just 1 and 728,450, it is not a prime number.