Q: Is 2,647,120 a Composite Number?

Why is 2,647,120 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 2,647,120 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 163 203 232 280 290 326 406 464 560 580 652 812 815 1,015 1,141 1,160 1,304 1,624 1,630 2,030 2,282 2,320 2,608 3,248 3,260 4,060 4,564 4,727 5,705 6,520 8,120 9,128 9,454 11,410 13,040 16,240 18,256 18,908 22,820 23,635 33,089 37,816 45,640 47,270 66,178 75,632 91,280 94,540 132,356 165,445 189,080 264,712 330,890 378,160 529,424 661,780 1,323,560 and 2,647,120, with no remainder.

Since 2,647,120 cannot be divided by just 1 and 2,647,120, 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).