Q: Is 2,180,800 a Composite Number?

Why is 2,180,800 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 2,180,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 29 32 40 47 50 58 64 80 94 100 116 145 160 188 200 232 235 290 320 376 400 464 470 580 725 752 800 928 940 1,160 1,175 1,363 1,450 1,504 1,600 1,856 1,880 2,320 2,350 2,726 2,900 3,008 3,760 4,640 4,700 5,452 5,800 6,815 7,520 9,280 9,400 10,904 11,600 13,630 15,040 18,800 21,808 23,200 27,260 34,075 37,600 43,616 46,400 54,520 68,150 75,200 87,232 109,040 136,300 218,080 272,600 436,160 545,200 1,090,400 and 2,180,800, with no remainder.

Since 2,180,800 cannot be divided by just 1 and 2,180,800, 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).