Q: Is 12,731,130 a Composite Number?

Why is 12,731,130 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 12,731,130 can be evenly divided by 1 2 3 5 6 9 10 15 17 18 30 34 45 51 53 85 90 102 106 153 157 159 170 255 265 306 314 318 471 477 510 530 765 785 795 901 942 954 1,413 1,530 1,570 1,590 1,802 2,355 2,385 2,669 2,703 2,826 4,505 4,710 4,770 5,338 5,406 7,065 8,007 8,109 8,321 9,010 13,345 13,515 14,130 16,014 16,218 16,642 24,021 24,963 26,690 27,030 40,035 40,545 41,605 48,042 49,926 74,889 80,070 81,090 83,210 120,105 124,815 141,457 149,778 240,210 249,630 282,914 374,445 424,371 707,285 748,890 848,742 1,273,113 1,414,570 2,121,855 2,546,226 4,243,710 6,365,565 and 12,731,130, with no remainder.

Since 12,731,130 cannot be divided by just 1 and 12,731,130, 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).