Q: Is 720,145 a Prime Number?
A: No, 720,145 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 720145 can be evenly divided by 1 5 73 365 1,973 9,865 144,029 and 720,145, with no remainder.
Since 720,145 cannot be divided by just 1 and 720,145, it is not a prime number.