Q: Is 18,004,480 a Composite Number?

Why is 18,004,480 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 18,004,480 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 541 640 832 1,040 1,082 1,280 1,664 2,080 2,164 2,560 2,705 3,328 4,160 4,328 5,410 6,656 7,033 8,320 8,656 10,820 14,066 16,640 17,312 21,640 28,132 33,280 34,624 35,165 43,280 56,264 69,248 70,330 86,560 112,528 138,496 140,660 173,120 225,056 276,992 281,320 346,240 450,112 562,640 692,480 900,224 1,125,280 1,384,960 1,800,448 2,250,560 3,600,896 4,501,120 9,002,240 and 18,004,480, with no remainder.

Since 18,004,480 cannot be divided by just 1 and 18,004,480, 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).