Q: Is 18,440,730 a Composite Number?

Why is 18,440,730 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 18,440,730 can be evenly divided by 1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 90 99 105 110 126 135 154 165 189 198 210 231 270 297 315 330 378 385 462 495 594 630 693 770 887 945 990 1,155 1,386 1,485 1,774 1,890 2,079 2,310 2,661 2,970 3,465 4,158 4,435 5,322 6,209 6,930 7,983 8,870 9,757 10,395 12,418 13,305 15,966 18,627 19,514 20,790 23,949 26,610 29,271 31,045 37,254 39,915 47,898 48,785 55,881 58,542 62,090 68,299 79,830 87,813 93,135 97,570 111,762 119,745 136,598 146,355 167,643 175,626 186,270 204,897 239,490 263,439 279,405 292,710 335,286 341,495 409,794 439,065 526,878 558,810 614,691 682,990 838,215 878,130 1,024,485 1,229,382 1,317,195 1,676,430 1,844,073 2,048,970 2,634,390 3,073,455 3,688,146 6,146,910 9,220,365 and 18,440,730, with no remainder.

Since 18,440,730 cannot be divided by just 1 and 18,440,730, 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).