Q: Is 720,525 a Prime Number?
A: No, 720,525 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 720525 can be evenly divided by 1 3 5 13 15 25 39 65 75 195 325 739 975 2,217 3,695 9,607 11,085 18,475 28,821 48,035 55,425 144,105 240,175 and 720,525, with no remainder.
Since 720,525 cannot be divided by just 1 and 720,525, it is not a prime number.