Q: Is 423,540 a Composite Number?

Why is 423,540 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 423,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 181 195 234 260 362 390 468 543 585 724 780 905 1,086 1,170 1,629 1,810 2,172 2,340 2,353 2,715 3,258 3,620 4,706 5,430 6,516 7,059 8,145 9,412 10,860 11,765 14,118 16,290 21,177 23,530 28,236 32,580 35,295 42,354 47,060 70,590 84,708 105,885 141,180 211,770 and 423,540, with no remainder.

Since 423,540 cannot be divided by just 1 and 423,540, 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).