Q: Is 280,420 a Composite Number?
A: Yes, 280,420 is a composite number.
The number 280,420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,003 4,006 8,012 10,015 14,021 20,030 28,042 40,060 56,084 70,105 140,210 and 280,420, with no remainder.
Since 280,420 cannot be divided by just 1 and 280,420, it is a composite number.