Q: Is 2,518,680 a Composite Number?

Why is 2,518,680 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 2,518,680 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 139 151 278 302 417 453 556 604 695 755 834 906 1,112 1,208 1,390 1,510 1,668 1,812 2,085 2,265 2,780 3,020 3,336 3,624 4,170 4,530 5,560 6,040 8,340 9,060 16,680 18,120 20,989 41,978 62,967 83,956 104,945 125,934 167,912 209,890 251,868 314,835 419,780 503,736 629,670 839,560 1,259,340 and 2,518,680, with no remainder.

Since 2,518,680 cannot be divided by just 1 and 2,518,680, 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).