Q: Is 1,605,060 a Composite Number?

Why is 1,605,060 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 1,605,060 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 241 333 370 444 482 555 666 723 740 964 1,110 1,205 1,332 1,446 1,665 2,169 2,220 2,410 2,892 3,330 3,615 4,338 4,820 6,660 7,230 8,676 8,917 10,845 14,460 17,834 21,690 26,751 35,668 43,380 44,585 53,502 80,253 89,170 107,004 133,755 160,506 178,340 267,510 321,012 401,265 535,020 802,530 and 1,605,060, with no remainder.

Since 1,605,060 cannot be divided by just 1 and 1,605,060, 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).