Q: Is 2,787,800 a Composite Number?

Why is 2,787,800 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 2,787,800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 53 100 106 200 212 263 265 424 526 530 1,052 1,060 1,315 1,325 2,104 2,120 2,630 2,650 5,260 5,300 6,575 10,520 10,600 13,150 13,939 26,300 27,878 52,600 55,756 69,695 111,512 139,390 278,780 348,475 557,560 696,950 1,393,900 and 2,787,800, with no remainder.

Since 2,787,800 cannot be divided by just 1 and 2,787,800, 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).