Q: Is 720,575 a Prime Number?
A: No, 720,575 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 720575 can be evenly divided by 1 5 19 25 37 41 95 185 205 475 703 779 925 1,025 1,517 3,515 3,895 7,585 17,575 19,475 28,823 37,925 144,115 and 720,575, with no remainder.
Since 720,575 cannot be divided by just 1 and 720,575, it is not a prime number.