Q: Is 2,135,040 a Composite Number?

Why is 2,135,040 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 2,135,040 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 139 160 192 240 256 278 320 384 417 480 512 556 640 695 768 834 960 1,024 1,112 1,280 1,390 1,536 1,668 1,920 2,085 2,224 2,560 2,780 3,072 3,336 3,840 4,170 4,448 5,120 5,560 6,672 7,680 8,340 8,896 11,120 13,344 15,360 16,680 17,792 22,240 26,688 33,360 35,584 44,480 53,376 66,720 71,168 88,960 106,752 133,440 142,336 177,920 213,504 266,880 355,840 427,008 533,760 711,680 1,067,520 and 2,135,040, with no remainder.

Since 2,135,040 cannot be divided by just 1 and 2,135,040, 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).