Q: Is 1,648,000 a Composite Number?

Why is 1,648,000 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 1,648,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 103 125 128 160 200 206 250 320 400 412 500 515 640 800 824 1,000 1,030 1,600 1,648 2,000 2,060 2,575 3,200 3,296 4,000 4,120 5,150 6,592 8,000 8,240 10,300 12,875 13,184 16,000 16,480 20,600 25,750 32,960 41,200 51,500 65,920 82,400 103,000 164,800 206,000 329,600 412,000 824,000 and 1,648,000, with no remainder.

Since 1,648,000 cannot be divided by just 1 and 1,648,000, 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).