Q: Is 1,405,320 a Composite Number?

Why is 1,405,320 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 1,405,320 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 239 245 280 294 392 420 478 490 588 717 735 840 956 980 1,176 1,195 1,434 1,470 1,673 1,912 1,960 2,390 2,868 2,940 3,346 3,585 4,780 5,019 5,736 5,880 6,692 7,170 8,365 9,560 10,038 11,711 13,384 14,340 16,730 20,076 23,422 25,095 28,680 33,460 35,133 40,152 46,844 50,190 58,555 66,920 70,266 93,688 100,380 117,110 140,532 175,665 200,760 234,220 281,064 351,330 468,440 702,660 and 1,405,320, with no remainder.

Since 1,405,320 cannot be divided by just 1 and 1,405,320, 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).