Q: Is 31,808,200 a Composite Number?

Why is 31,808,200 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 31,808,200 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 157 200 314 628 785 1,013 1,256 1,570 2,026 3,140 3,925 4,052 5,065 6,280 7,850 8,104 10,130 15,700 20,260 25,325 31,400 40,520 50,650 101,300 159,041 202,600 318,082 636,164 795,205 1,272,328 1,590,410 3,180,820 3,976,025 6,361,640 7,952,050 15,904,100 and 31,808,200, with no remainder.

Since 31,808,200 cannot be divided by just 1 and 31,808,200, 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).