Q: Is 545,490 a Composite Number?

Why is 545,490 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 545,490 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 19 22 29 30 33 38 45 55 57 58 66 87 90 95 99 110 114 145 165 171 174 190 198 209 261 285 290 319 330 342 418 435 495 522 551 570 627 638 855 870 957 990 1,045 1,102 1,254 1,305 1,595 1,653 1,710 1,881 1,914 2,090 2,610 2,755 2,871 3,135 3,190 3,306 3,762 4,785 4,959 5,510 5,742 6,061 6,270 8,265 9,405 9,570 9,918 12,122 14,355 16,530 18,183 18,810 24,795 28,710 30,305 36,366 49,590 54,549 60,610 90,915 109,098 181,830 272,745 and 545,490, with no remainder.

Since 545,490 cannot be divided by just 1 and 545,490, 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).