Q: Is 2,106,540 a Composite Number?

Why is 2,106,540 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 2,106,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 47 54 60 83 90 94 108 135 141 166 180 188 235 249 270 282 332 415 423 470 498 540 564 705 747 830 846 940 996 1,245 1,269 1,410 1,494 1,660 1,692 2,115 2,241 2,490 2,538 2,820 2,988 3,735 3,901 4,230 4,482 4,980 5,076 6,345 7,470 7,802 8,460 8,964 11,205 11,703 12,690 14,940 15,604 19,505 22,410 23,406 25,380 35,109 39,010 44,820 46,812 58,515 70,218 78,020 105,327 117,030 140,436 175,545 210,654 234,060 351,090 421,308 526,635 702,180 1,053,270 and 2,106,540, with no remainder.

Since 2,106,540 cannot be divided by just 1 and 2,106,540, 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).