Q: Is 423,120 a Composite Number?

Why is 423,120 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 423,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 43 48 60 80 82 86 120 123 129 164 172 205 215 240 246 258 328 344 410 430 492 516 615 645 656 688 820 860 984 1,032 1,230 1,290 1,640 1,720 1,763 1,968 2,064 2,460 2,580 3,280 3,440 3,526 4,920 5,160 5,289 7,052 8,815 9,840 10,320 10,578 14,104 17,630 21,156 26,445 28,208 35,260 42,312 52,890 70,520 84,624 105,780 141,040 211,560 and 423,120, with no remainder.

Since 423,120 cannot be divided by just 1 and 423,120, 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).