Q: Is 11,223,040 a Composite Number?

Why is 11,223,040 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 11,223,040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 137 160 256 274 320 512 548 640 685 1,024 1,096 1,280 1,370 2,048 2,192 2,560 2,740 4,096 4,384 5,120 5,480 8,192 8,768 10,240 10,960 16,384 17,536 20,480 21,920 35,072 40,960 43,840 70,144 81,920 87,680 140,288 175,360 280,576 350,720 561,152 701,440 1,122,304 1,402,880 2,244,608 2,805,760 5,611,520 and 11,223,040, with no remainder.

Since 11,223,040 cannot be divided by just 1 and 11,223,040, 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).