Q: Is 90,090 a Composite Number?

Why is 90,090 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 90,090 can be evenly divided by 1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 30 33 35 39 42 45 55 63 65 66 70 77 78 90 91 99 105 110 117 126 130 143 154 165 182 195 198 210 231 234 273 286 315 330 385 390 429 455 462 495 546 585 630 693 715 770 819 858 910 990 1,001 1,155 1,170 1,287 1,365 1,386 1,430 1,638 2,002 2,145 2,310 2,574 2,730 3,003 3,465 4,095 4,290 5,005 6,006 6,435 6,930 8,190 9,009 10,010 12,870 15,015 18,018 30,030 45,045 and 90,090, with no remainder.

Since 90,090 cannot be divided by just 1 and 90,090, 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).