Q: Is 1,260,800 a Composite Number?

Why is 1,260,800 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,260,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 197 200 256 320 394 400 640 788 800 985 1,280 1,576 1,600 1,970 3,152 3,200 3,940 4,925 6,304 6,400 7,880 9,850 12,608 15,760 19,700 25,216 31,520 39,400 50,432 63,040 78,800 126,080 157,600 252,160 315,200 630,400 and 1,260,800, with no remainder.

Since 1,260,800 cannot be divided by just 1 and 1,260,800, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).