Q: Is 2,138,070 a Composite Number?

Why is 2,138,070 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 2,138,070 can be evenly divided by 1 2 3 5 6 10 11 15 19 22 30 31 33 38 55 57 62 66 93 95 110 114 121 155 165 186 190 209 242 285 310 330 341 363 418 465 570 589 605 627 682 726 930 1,023 1,045 1,178 1,210 1,254 1,705 1,767 1,815 2,046 2,090 2,299 2,945 3,135 3,410 3,534 3,630 3,751 4,598 5,115 5,890 6,270 6,479 6,897 7,502 8,835 10,230 11,253 11,495 12,958 13,794 17,670 18,755 19,437 22,506 22,990 32,395 34,485 37,510 38,874 56,265 64,790 68,970 71,269 97,185 112,530 142,538 194,370 213,807 356,345 427,614 712,690 1,069,035 and 2,138,070, with no remainder.

Since 2,138,070 cannot be divided by just 1 and 2,138,070, 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).