Q: Is 720,540 a Prime Number?
A: No, 720,540 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 720540 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 4,003 8,006 12,009 16,012 20,015 24,018 36,027 40,030 48,036 60,045 72,054 80,060 120,090 144,108 180,135 240,180 360,270 and 720,540, with no remainder.
Since 720,540 cannot be divided by just 1 and 720,540, it is not a prime number.