Q: Is 1,521,630 a Composite Number?

Why is 1,521,630 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 1,521,630 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 29 30 33 45 53 55 58 66 87 90 99 106 110 145 159 165 174 198 261 265 290 318 319 330 435 477 495 522 530 583 638 795 870 954 957 990 1,166 1,305 1,537 1,590 1,595 1,749 1,914 2,385 2,610 2,871 2,915 3,074 3,190 3,498 4,611 4,770 4,785 5,247 5,742 5,830 7,685 8,745 9,222 9,570 10,494 13,833 14,355 15,370 16,907 17,490 23,055 26,235 27,666 28,710 33,814 46,110 50,721 52,470 69,165 84,535 101,442 138,330 152,163 169,070 253,605 304,326 507,210 760,815 and 1,521,630, with no remainder.

Since 1,521,630 cannot be divided by just 1 and 1,521,630, 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).