Q: Is 20,933,370 a Composite Number?

Why is 20,933,370 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 20,933,370 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 31 41 45 54 61 62 82 90 93 122 123 135 155 183 186 205 246 270 279 305 310 366 369 410 465 549 558 610 615 738 837 915 930 1,098 1,107 1,230 1,271 1,395 1,647 1,674 1,830 1,845 1,891 2,214 2,501 2,542 2,745 2,790 3,294 3,690 3,782 3,813 4,185 5,002 5,490 5,535 5,673 6,355 7,503 7,626 8,235 8,370 9,455 11,070 11,346 11,439 12,505 12,710 15,006 16,470 17,019 18,910 19,065 22,509 22,878 25,010 28,365 34,038 34,317 37,515 38,130 45,018 51,057 56,730 57,195 67,527 68,634 75,030 77,531 85,095 102,114 112,545 114,390 135,054 155,062 170,190 171,585 225,090 232,593 255,285 337,635 343,170 387,655 465,186 510,570 675,270 697,779 775,310 1,162,965 1,395,558 2,093,337 2,325,930 3,488,895 4,186,674 6,977,790 10,466,685 and 20,933,370, with no remainder.

Since 20,933,370 cannot be divided by just 1 and 20,933,370, 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).