Q: Is 180,400 a Composite Number?

Why is 180,400 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 180,400 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 41 44 50 55 80 82 88 100 110 164 176 200 205 220 275 328 400 410 440 451 550 656 820 880 902 1,025 1,100 1,640 1,804 2,050 2,200 2,255 3,280 3,608 4,100 4,400 4,510 7,216 8,200 9,020 11,275 16,400 18,040 22,550 36,080 45,100 90,200 and 180,400, with no remainder.

Since 180,400 cannot be divided by just 1 and 180,400, 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).