Q: Is 287,100 a Composite Number?

Why is 287,100 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 287,100 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 29 30 33 36 44 45 50 55 58 60 66 75 87 90 99 100 110 116 132 145 150 165 174 180 198 220 225 261 275 290 300 319 330 348 396 435 450 495 522 550 580 638 660 725 825 870 900 957 990 1,044 1,100 1,276 1,305 1,450 1,595 1,650 1,740 1,914 1,980 2,175 2,475 2,610 2,871 2,900 3,190 3,300 3,828 4,350 4,785 4,950 5,220 5,742 6,380 6,525 7,975 8,700 9,570 9,900 11,484 13,050 14,355 15,950 19,140 23,925 26,100 28,710 31,900 47,850 57,420 71,775 95,700 143,550 and 287,100, with no remainder.

Since 287,100 cannot be divided by just 1 and 287,100, 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).