Q: Is 1,512,840 a Composite Number?

Why is 1,512,840 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 1,512,840 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 1,801 3,602 5,403 7,204 9,005 10,806 12,607 14,408 18,010 21,612 25,214 27,015 36,020 37,821 43,224 50,428 54,030 63,035 72,040 75,642 100,856 108,060 126,070 151,284 189,105 216,120 252,140 302,568 378,210 504,280 756,420 and 1,512,840, with no remainder.

Since 1,512,840 cannot be divided by just 1 and 1,512,840, 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).