Q: Is 7,278,800 a Composite Number?

Why is 7,278,800 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 7,278,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 587 620 775 1,174 1,240 1,550 2,348 2,480 2,935 3,100 4,696 5,870 6,200 9,392 11,740 12,400 14,675 18,197 23,480 29,350 36,394 46,960 58,700 72,788 90,985 117,400 145,576 181,970 234,800 291,152 363,940 454,925 727,880 909,850 1,455,760 1,819,700 3,639,400 and 7,278,800, with no remainder.

Since 7,278,800 cannot be divided by just 1 and 7,278,800, 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).