Q: Is 720,522 a Prime Number?
A: No, 720,522 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 720522 can be evenly divided by 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 1,213 2,426 3,639 7,278 10,917 13,343 21,834 26,686 32,751 40,029 65,502 80,058 120,087 240,174 360,261 and 720,522, with no remainder.
Since 720,522 cannot be divided by just 1 and 720,522, it is not a prime number.