Q: Is 720,490 a Prime Number?
A: No, 720,490 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 720490 can be evenly divided by 1 2 5 10 109 218 545 661 1,090 1,322 3,305 6,610 72,049 144,098 360,245 and 720,490, with no remainder.
Since 720,490 cannot be divided by just 1 and 720,490, it is not a prime number.