Q: Is 1,643,200 a Composite Number?

Why is 1,643,200 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 1,643,200 can be evenly divided by 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 79 80 100 104 130 158 160 200 208 260 316 320 325 395 400 416 520 632 650 790 800 832 1,027 1,040 1,264 1,300 1,580 1,600 1,975 2,054 2,080 2,528 2,600 3,160 3,950 4,108 4,160 5,056 5,135 5,200 6,320 7,900 8,216 10,270 10,400 12,640 15,800 16,432 20,540 20,800 25,280 25,675 31,600 32,864 41,080 51,350 63,200 65,728 82,160 102,700 126,400 164,320 205,400 328,640 410,800 821,600 and 1,643,200, with no remainder.

Since 1,643,200 cannot be divided by just 1 and 1,643,200, 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).