Q: Is 450,180 a Composite Number?

Why is 450,180 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 450,180 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 41 45 60 61 82 90 122 123 164 180 183 205 244 246 305 366 369 410 492 549 610 615 732 738 820 915 1,098 1,220 1,230 1,476 1,830 1,845 2,196 2,460 2,501 2,745 3,660 3,690 5,002 5,490 7,380 7,503 10,004 10,980 12,505 15,006 22,509 25,010 30,012 37,515 45,018 50,020 75,030 90,036 112,545 150,060 225,090 and 450,180, with no remainder.

Since 450,180 cannot be divided by just 1 and 450,180, 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).