Q: Is 6,443,000 a Composite Number?

Why is 6,443,000 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 6,443,000 can be evenly divided by 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 379 425 500 680 758 850 1,000 1,516 1,700 1,895 2,125 3,032 3,400 3,790 4,250 6,443 7,580 8,500 9,475 12,886 15,160 17,000 18,950 25,772 32,215 37,900 47,375 51,544 64,430 75,800 94,750 128,860 161,075 189,500 257,720 322,150 379,000 644,300 805,375 1,288,600 1,610,750 3,221,500 and 6,443,000, with no remainder.

Since 6,443,000 cannot be divided by just 1 and 6,443,000, 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).