Q: Is 1,395,180 a Composite Number?

Why is 1,395,180 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 1,395,180 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 337 345 414 460 674 690 828 1,011 1,035 1,348 1,380 1,685 2,022 2,070 3,033 3,370 4,044 4,140 5,055 6,066 6,740 7,751 10,110 12,132 15,165 15,502 20,220 23,253 30,330 31,004 38,755 46,506 60,660 69,759 77,510 93,012 116,265 139,518 155,020 232,530 279,036 348,795 465,060 697,590 and 1,395,180, with no remainder.

Since 1,395,180 cannot be divided by just 1 and 1,395,180, 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).