Q: Is 1,511,622 a Composite Number?

Why is 1,511,622 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 1,511,622 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 31 42 43 54 62 63 81 86 93 126 129 162 186 189 217 258 279 301 378 387 434 558 567 602 651 774 837 903 1,134 1,161 1,302 1,333 1,674 1,806 1,953 2,322 2,511 2,666 2,709 3,483 3,906 3,999 5,022 5,418 5,859 6,966 7,998 8,127 9,331 11,718 11,997 16,254 17,577 18,662 23,994 24,381 27,993 35,154 35,991 48,762 55,986 71,982 83,979 107,973 167,958 215,946 251,937 503,874 755,811 and 1,511,622, with no remainder.

Since 1,511,622 cannot be divided by just 1 and 1,511,622, 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).