Q: Is 1,720,000 a Composite Number?

Why is 1,720,000 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 1,720,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 43 50 64 80 86 100 125 160 172 200 215 250 320 344 400 430 500 625 688 800 860 1,000 1,075 1,250 1,376 1,600 1,720 2,000 2,150 2,500 2,752 3,440 4,000 4,300 5,000 5,375 6,880 8,000 8,600 10,000 10,750 13,760 17,200 20,000 21,500 26,875 34,400 40,000 43,000 53,750 68,800 86,000 107,500 172,000 215,000 344,000 430,000 860,000 and 1,720,000, with no remainder.

Since 1,720,000 cannot be divided by just 1 and 1,720,000, 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).