Q: Is 2,253,440 a Composite Number?

Why is 2,253,440 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 2,253,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 503 560 640 896 1,006 1,120 2,012 2,240 2,515 3,521 4,024 4,480 5,030 7,042 8,048 10,060 14,084 16,096 17,605 20,120 28,168 32,192 35,210 40,240 56,336 64,384 70,420 80,480 112,672 140,840 160,960 225,344 281,680 321,920 450,688 563,360 1,126,720 and 2,253,440, with no remainder.

Since 2,253,440 cannot be divided by just 1 and 2,253,440, 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).