Q: Is 1,121,988 a Composite Number?

Why is 1,121,988 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 1,121,988 can be evenly divided by 1 2 3 4 6 7 12 14 19 21 28 37 38 42 57 74 76 84 111 114 133 148 222 228 259 266 361 399 444 518 532 703 722 777 798 1,036 1,083 1,406 1,444 1,554 1,596 2,109 2,166 2,527 2,812 3,108 4,218 4,332 4,921 5,054 7,581 8,436 9,842 10,108 13,357 14,763 15,162 19,684 26,714 29,526 30,324 40,071 53,428 59,052 80,142 93,499 160,284 186,998 280,497 373,996 560,994 and 1,121,988, with no remainder.

Since 1,121,988 cannot be divided by just 1 and 1,121,988, 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).