Q: Is 726,720 a Prime Number?
A: No, 726,720 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 726720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 757 960 1,514 2,271 3,028 3,785 4,542 6,056 7,570 9,084 11,355 12,112 15,140 18,168 22,710 24,224 30,280 36,336 45,420 48,448 60,560 72,672 90,840 121,120 145,344 181,680 242,240 363,360 and 726,720, with no remainder.
Since 726,720 cannot be divided by just 1 and 726,720, it is not a prime number.