Q: Is 2,165,904 a Composite Number?

Why is 2,165,904 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 2,165,904 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 89 104 117 144 156 169 178 208 234 267 312 338 356 468 507 534 624 676 712 801 936 1,014 1,068 1,157 1,352 1,424 1,521 1,602 1,872 2,028 2,136 2,314 2,704 3,042 3,204 3,471 4,056 4,272 4,628 6,084 6,408 6,942 8,112 9,256 10,413 12,168 12,816 13,884 15,041 18,512 20,826 24,336 27,768 30,082 41,652 45,123 55,536 60,164 83,304 90,246 120,328 135,369 166,608 180,492 240,656 270,738 360,984 541,476 721,968 1,082,952 and 2,165,904, with no remainder.

Since 2,165,904 cannot be divided by just 1 and 2,165,904, 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).