Q: Is 1,445,360 a Composite Number?

Why is 1,445,360 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 1,445,360 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 89 112 116 140 145 178 203 232 280 290 356 406 445 464 560 580 623 712 812 890 1,015 1,160 1,246 1,424 1,624 1,780 2,030 2,320 2,492 2,581 3,115 3,248 3,560 4,060 4,984 5,162 6,230 7,120 8,120 9,968 10,324 12,460 12,905 16,240 18,067 20,648 24,920 25,810 36,134 41,296 49,840 51,620 72,268 90,335 103,240 144,536 180,670 206,480 289,072 361,340 722,680 and 1,445,360, with no remainder.

Since 1,445,360 cannot be divided by just 1 and 1,445,360, 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).