Q: Is 387,450 a Composite Number?

Why is 387,450 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 387,450 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 41 42 45 50 54 63 70 75 82 90 105 123 126 135 150 175 189 205 210 225 246 270 287 315 350 369 378 410 450 525 574 615 630 675 738 861 945 1,025 1,050 1,107 1,230 1,350 1,435 1,575 1,722 1,845 1,890 2,050 2,214 2,583 2,870 3,075 3,150 3,690 4,305 4,725 5,166 5,535 6,150 7,175 7,749 8,610 9,225 9,450 11,070 12,915 14,350 15,498 18,450 21,525 25,830 27,675 38,745 43,050 55,350 64,575 77,490 129,150 193,725 and 387,450, with no remainder.

Since 387,450 cannot be divided by just 1 and 387,450, 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).