Q: Is 1,511,874 a Composite Number?

Why is 1,511,874 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 1,511,874 can be evenly divided by 1 2 3 6 7 9 13 14 18 21 26 39 42 63 71 78 91 117 126 142 169 182 213 234 273 338 426 497 507 546 639 819 923 994 1,014 1,183 1,278 1,491 1,521 1,638 1,846 2,366 2,769 2,982 3,042 3,549 4,473 5,538 6,461 7,098 8,307 8,946 10,647 11,999 12,922 16,614 19,383 21,294 23,998 35,997 38,766 58,149 71,994 83,993 107,991 116,298 167,986 215,982 251,979 503,958 755,937 and 1,511,874, with no remainder.

Since 1,511,874 cannot be divided by just 1 and 1,511,874, 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).