Q: Is 856,900 a Composite Number?

Why is 856,900 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 856,900 can be evenly divided by 1 2 4 5 10 11 19 20 22 25 38 41 44 50 55 76 82 95 100 110 164 190 205 209 220 275 380 410 418 451 475 550 779 820 836 902 950 1,025 1,045 1,100 1,558 1,804 1,900 2,050 2,090 2,255 3,116 3,895 4,100 4,180 4,510 5,225 7,790 8,569 9,020 10,450 11,275 15,580 17,138 19,475 20,900 22,550 34,276 38,950 42,845 45,100 77,900 85,690 171,380 214,225 428,450 and 856,900, with no remainder.

Since 856,900 cannot be divided by just 1 and 856,900, 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).