Q: Is 1,355,040 a Composite Number?

Why is 1,355,040 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 1,355,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 941 1,440 1,882 2,823 3,764 4,705 5,646 7,528 8,469 9,410 11,292 14,115 15,056 16,938 18,820 22,584 28,230 30,112 33,876 37,640 42,345 45,168 56,460 67,752 75,280 84,690 90,336 112,920 135,504 150,560 169,380 225,840 271,008 338,760 451,680 677,520 and 1,355,040, with no remainder.

Since 1,355,040 cannot be divided by just 1 and 1,355,040, 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).