Q: Is 8,007,780 a Composite Number?

Why is 8,007,780 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 8,007,780 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1,103 1,210 1,452 1,815 2,206 2,420 3,309 3,630 4,412 5,515 6,618 7,260 11,030 12,133 13,236 16,545 22,060 24,266 33,090 36,399 48,532 60,665 66,180 72,798 121,330 133,463 145,596 181,995 242,660 266,926 363,990 400,389 533,852 667,315 727,980 800,778 1,334,630 1,601,556 2,001,945 2,669,260 4,003,890 and 8,007,780, with no remainder.

Since 8,007,780 cannot be divided by just 1 and 8,007,780, 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).