Q: Is 255,150 a Composite Number?

Why is 255,150 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 255,150 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 150 162 175 189 210 225 243 270 315 350 378 405 450 486 525 567 630 675 729 810 945 1,050 1,134 1,215 1,350 1,458 1,575 1,701 1,890 2,025 2,430 2,835 3,150 3,402 3,645 4,050 4,725 5,103 5,670 6,075 7,290 8,505 9,450 10,206 12,150 14,175 17,010 18,225 25,515 28,350 36,450 42,525 51,030 85,050 127,575 and 255,150, with no remainder.

Since 255,150 cannot be divided by just 1 and 255,150, 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).