Q: Is 720,400 a Composite Number?
A: Yes, 720,400 is a composite number.
The number 720,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1,801 3,602 7,204 9,005 14,408 18,010 28,816 36,020 45,025 72,040 90,050 144,080 180,100 360,200 and 720,400, with no remainder.
Since 720,400 cannot be divided by just 1 and 720,400, it is a composite number.