Q: Is 400,588,240 a Composite Number?

Why is 400,588,240 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 400,588,240 can be evenly divided by 1 2 4 5 8 10 13 16 20 23 26 40 46 52 65 80 92 104 115 130 184 208 230 260 299 368 460 520 598 920 1,040 1,196 1,495 1,840 2,392 2,990 4,784 5,980 11,960 16,747 23,920 33,494 66,988 83,735 133,976 167,470 217,711 267,952 334,940 385,181 435,422 669,880 770,362 870,844 1,088,555 1,339,760 1,540,724 1,741,688 1,925,905 2,177,110 3,081,448 3,483,376 3,851,810 4,354,220 5,007,353 6,162,896 7,703,620 8,708,440 10,014,706 15,407,240 17,416,880 20,029,412 25,036,765 30,814,480 40,058,824 50,073,530 80,117,648 100,147,060 200,294,120 and 400,588,240, with no remainder.

Since 400,588,240 cannot be divided by just 1 and 400,588,240, 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).