Q: Is 8,471,720 a Composite Number?

Why is 8,471,720 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 8,471,720 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 71 76 95 142 152 157 190 284 314 355 380 568 628 710 760 785 1,256 1,349 1,420 1,570 2,698 2,840 2,983 3,140 5,396 5,966 6,280 6,745 10,792 11,147 11,932 13,490 14,915 22,294 23,864 26,980 29,830 44,588 53,960 55,735 59,660 89,176 111,470 119,320 211,793 222,940 423,586 445,880 847,172 1,058,965 1,694,344 2,117,930 4,235,860 and 8,471,720, with no remainder.

Since 8,471,720 cannot be divided by just 1 and 8,471,720, 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).