Q: Is 720,375 a Prime Number?
A: No, 720,375 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 720375 can be evenly divided by 1 3 5 15 17 25 51 75 85 113 125 255 339 375 425 565 1,275 1,695 1,921 2,125 2,825 5,763 6,375 8,475 9,605 14,125 28,815 42,375 48,025 144,075 240,125 and 720,375, with no remainder.
Since 720,375 cannot be divided by just 1 and 720,375, it is not a prime number.