Q: Is 1,121,820 a Composite Number?

Why is 1,121,820 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 1,121,820 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2,671 5,342 8,013 10,684 13,355 16,026 18,697 26,710 32,052 37,394 40,065 53,420 56,091 74,788 80,130 93,485 112,182 160,260 186,970 224,364 280,455 373,940 560,910 and 1,121,820, with no remainder.

Since 1,121,820 cannot be divided by just 1 and 1,121,820, 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).