Q: Is 1,616,440 a Composite Number?

Why is 1,616,440 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 1,616,440 can be evenly divided by 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 251 280 322 460 502 644 805 920 1,004 1,255 1,288 1,610 1,757 2,008 2,510 3,220 3,514 5,020 5,773 6,440 7,028 8,785 10,040 11,546 14,056 17,570 23,092 28,865 35,140 40,411 46,184 57,730 70,280 80,822 115,460 161,644 202,055 230,920 323,288 404,110 808,220 and 1,616,440, with no remainder.

Since 1,616,440 cannot be divided by just 1 and 1,616,440, 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).