Q: Is 2,149,440 a Composite Number?

Why is 2,149,440 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 2,149,440 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 96 120 160 192 240 320 480 960 2,239 4,478 6,717 8,956 11,195 13,434 17,912 22,390 26,868 33,585 35,824 44,780 53,736 67,170 71,648 89,560 107,472 134,340 143,296 179,120 214,944 268,680 358,240 429,888 537,360 716,480 1,074,720 and 2,149,440, with no remainder.

Since 2,149,440 cannot be divided by just 1 and 2,149,440, 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).