Q: Is 420,900 a Composite Number?

Why is 420,900 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 420,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 25 30 46 50 60 61 69 75 92 100 115 122 138 150 183 230 244 276 300 305 345 366 460 575 610 690 732 915 1,150 1,220 1,380 1,403 1,525 1,725 1,830 2,300 2,806 3,050 3,450 3,660 4,209 4,575 5,612 6,100 6,900 7,015 8,418 9,150 14,030 16,836 18,300 21,045 28,060 35,075 42,090 70,150 84,180 105,225 140,300 210,450 and 420,900, with no remainder.

Since 420,900 cannot be divided by just 1 and 420,900, 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).