Q: Is 1,813,900 a Composite Number?

Why is 1,813,900 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 1,813,900 can be evenly divided by 1 2 4 5 10 11 17 20 22 25 34 44 50 55 68 85 97 100 110 170 187 194 220 275 340 374 388 425 485 550 748 850 935 970 1,067 1,100 1,649 1,700 1,870 1,940 2,134 2,425 3,298 3,740 4,268 4,675 4,850 5,335 6,596 8,245 9,350 9,700 10,670 16,490 18,139 18,700 21,340 26,675 32,980 36,278 41,225 53,350 72,556 82,450 90,695 106,700 164,900 181,390 362,780 453,475 906,950 and 1,813,900, with no remainder.

Since 1,813,900 cannot be divided by just 1 and 1,813,900, 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).