Q: Is 40,542,800 a Composite Number?

Why is 40,542,800 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 40,542,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 79 80 100 158 200 316 395 400 632 790 1,264 1,283 1,580 1,975 2,566 3,160 3,950 5,132 6,320 6,415 7,900 10,264 12,830 15,800 20,528 25,660 31,600 32,075 51,320 64,150 101,357 102,640 128,300 202,714 256,600 405,428 506,785 513,200 810,856 1,013,570 1,621,712 2,027,140 2,533,925 4,054,280 5,067,850 8,108,560 10,135,700 20,271,400 and 40,542,800, with no remainder.

Since 40,542,800 cannot be divided by just 1 and 40,542,800, 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).