Q: Is 1,445,520 a Composite Number?

Why is 1,445,520 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 1,445,520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 317 380 456 570 634 760 912 951 1,140 1,268 1,520 1,585 1,902 2,280 2,536 3,170 3,804 4,560 4,755 5,072 6,023 6,340 7,608 9,510 12,046 12,680 15,216 18,069 19,020 24,092 25,360 30,115 36,138 38,040 48,184 60,230 72,276 76,080 90,345 96,368 120,460 144,552 180,690 240,920 289,104 361,380 481,840 722,760 and 1,445,520, with no remainder.

Since 1,445,520 cannot be divided by just 1 and 1,445,520, 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).