Q: Is 720,890 a Prime Number?
A: No, 720,890 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 720890 can be evenly divided by 1 2 5 10 72,089 144,178 360,445 and 720,890, with no remainder.
Since 720,890 cannot be divided by just 1 and 720,890, it is not a prime number.