Q: Is 720,126 a Prime Number?
A: No, 720,126 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 720126 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 3,637 7,274 10,911 21,822 32,733 40,007 65,466 80,014 120,021 240,042 360,063 and 720,126, with no remainder.
Since 720,126 cannot be divided by just 1 and 720,126, it is not a prime number.