Q: Is 1,616,800 a Composite Number?

Why is 1,616,800 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 1,616,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 43 47 50 80 86 94 100 160 172 188 200 215 235 344 376 400 430 470 688 752 800 860 940 1,075 1,175 1,376 1,504 1,720 1,880 2,021 2,150 2,350 3,440 3,760 4,042 4,300 4,700 6,880 7,520 8,084 8,600 9,400 10,105 16,168 17,200 18,800 20,210 32,336 34,400 37,600 40,420 50,525 64,672 80,840 101,050 161,680 202,100 323,360 404,200 808,400 and 1,616,800, with no remainder.

Since 1,616,800 cannot be divided by just 1 and 1,616,800, 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).