Q: Is 19,013,520 a Composite Number?

Why is 19,013,520 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 19,013,520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 227 240 349 454 681 698 908 1,047 1,135 1,362 1,396 1,745 1,816 2,094 2,270 2,724 2,792 3,405 3,490 3,632 4,188 4,540 5,235 5,448 5,584 6,810 6,980 8,376 9,080 10,470 10,896 13,620 13,960 16,752 18,160 20,940 27,240 27,920 41,880 54,480 79,223 83,760 158,446 237,669 316,892 396,115 475,338 633,784 792,230 950,676 1,188,345 1,267,568 1,584,460 1,901,352 2,376,690 3,168,920 3,802,704 4,753,380 6,337,840 9,506,760 and 19,013,520, with no remainder.

Since 19,013,520 cannot be divided by just 1 and 19,013,520, 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).