Q: Is 8,172,800 a Composite Number?

Why is 8,172,800 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 8,172,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1,277 1,280 1,600 2,554 3,200 5,108 6,385 6,400 10,216 12,770 20,432 25,540 31,925 40,864 51,080 63,850 81,728 102,160 127,700 163,456 204,320 255,400 326,912 408,640 510,800 817,280 1,021,600 1,634,560 2,043,200 4,086,400 and 8,172,800, with no remainder.

Since 8,172,800 cannot be divided by just 1 and 8,172,800, 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).