Q: Is 1,518,900 a Composite Number?

Why is 1,518,900 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 1,518,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 61 75 83 100 122 150 166 183 244 249 300 305 332 366 415 498 610 732 830 915 996 1,220 1,245 1,525 1,660 1,830 2,075 2,490 3,050 3,660 4,150 4,575 4,980 5,063 6,100 6,225 8,300 9,150 10,126 12,450 15,189 18,300 20,252 24,900 25,315 30,378 50,630 60,756 75,945 101,260 126,575 151,890 253,150 303,780 379,725 506,300 759,450 and 1,518,900, with no remainder.

Since 1,518,900 cannot be divided by just 1 and 1,518,900, 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).