Q: Is 2,808,640 a Composite Number?

Why is 2,808,640 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 2,808,640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 67 80 131 134 160 262 268 320 335 524 536 655 670 1,048 1,072 1,310 1,340 2,096 2,144 2,620 2,680 4,192 4,288 5,240 5,360 8,384 8,777 10,480 10,720 17,554 20,960 21,440 35,108 41,920 43,885 70,216 87,770 140,432 175,540 280,864 351,080 561,728 702,160 1,404,320 and 2,808,640, with no remainder.

Since 2,808,640 cannot be divided by just 1 and 2,808,640, 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).