Q: Is 278,474,800 a Composite Number?

Why is 278,474,800 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 278,474,800 can be evenly divided by 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 400 460 575 920 1,150 1,840 2,300 4,600 9,200 30,269 60,538 121,076 151,345 242,152 302,690 484,304 605,380 696,187 756,725 1,210,760 1,392,374 1,513,450 2,421,520 2,784,748 3,026,900 3,480,935 5,569,496 6,053,800 6,961,870 11,138,992 12,107,600 13,923,740 17,404,675 27,847,480 34,809,350 55,694,960 69,618,700 139,237,400 and 278,474,800, with no remainder.

Since 278,474,800 cannot be divided by just 1 and 278,474,800, 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).