Q: Is 722,120 a Prime Number?
A: No, 722,120 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 722120 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2,579 5,158 10,316 12,895 18,053 20,632 25,790 36,106 51,580 72,212 90,265 103,160 144,424 180,530 361,060 and 722,120, with no remainder.
Since 722,120 cannot be divided by just 1 and 722,120, it is not a prime number.