Q: Is 8,405,000 a Composite Number?

Why is 8,405,000 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 8,405,000 can be evenly divided by 1 2 4 5 8 10 20 25 40 41 50 82 100 125 164 200 205 250 328 410 500 625 820 1,000 1,025 1,250 1,640 1,681 2,050 2,500 3,362 4,100 5,000 5,125 6,724 8,200 8,405 10,250 13,448 16,810 20,500 25,625 33,620 41,000 42,025 51,250 67,240 84,050 102,500 168,100 205,000 210,125 336,200 420,250 840,500 1,050,625 1,681,000 2,101,250 4,202,500 and 8,405,000, with no remainder.

Since 8,405,000 cannot be divided by just 1 and 8,405,000, 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).