Q: Is 1,878,910 a Composite Number?

Why is 1,878,910 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 1,878,910 can be evenly divided by 1 2 5 10 11 19 22 29 31 38 55 58 62 95 110 145 155 190 209 290 310 319 341 418 551 589 638 682 899 1,045 1,102 1,178 1,595 1,705 1,798 2,090 2,755 2,945 3,190 3,410 4,495 5,510 5,890 6,061 6,479 8,990 9,889 12,122 12,958 17,081 19,778 30,305 32,395 34,162 49,445 60,610 64,790 85,405 98,890 170,810 187,891 375,782 939,455 and 1,878,910, with no remainder.

Since 1,878,910 cannot be divided by just 1 and 1,878,910, 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).