Q: Is 6,450,400 a Composite Number?

Why is 6,450,400 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 6,450,400 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 733 800 880 1,100 1,466 1,760 2,200 2,932 3,665 4,400 5,864 7,330 8,063 8,800 11,728 14,660 16,126 18,325 23,456 29,320 32,252 36,650 40,315 58,640 64,504 73,300 80,630 117,280 129,008 146,600 161,260 201,575 258,016 293,200 322,520 403,150 586,400 645,040 806,300 1,290,080 1,612,600 3,225,200 and 6,450,400, with no remainder.

Since 6,450,400 cannot be divided by just 1 and 6,450,400, 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).