Q: Is 1,286,040 a Composite Number?

Why is 1,286,040 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 1,286,040 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1,531 3,062 4,593 6,124 7,655 9,186 10,717 12,248 15,310 18,372 21,434 22,965 30,620 32,151 36,744 42,868 45,930 53,585 61,240 64,302 85,736 91,860 107,170 128,604 160,755 183,720 214,340 257,208 321,510 428,680 643,020 and 1,286,040, with no remainder.

Since 1,286,040 cannot be divided by just 1 and 1,286,040, 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).