Q: Is 6,781,400 a Composite Number?

Why is 6,781,400 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 6,781,400 can be evenly divided by 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 827 1,025 1,640 1,654 2,050 3,308 4,100 4,135 6,616 8,200 8,270 16,540 20,675 33,080 33,907 41,350 67,814 82,700 135,628 165,400 169,535 271,256 339,070 678,140 847,675 1,356,280 1,695,350 3,390,700 and 6,781,400, with no remainder.

Since 6,781,400 cannot be divided by just 1 and 6,781,400, 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).