Q: Is 2,351,720 a Composite Number?

Why is 2,351,720 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 2,351,720 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 37 40 56 70 74 140 148 185 227 259 280 296 370 454 518 740 908 1,036 1,135 1,295 1,480 1,589 1,816 2,072 2,270 2,590 3,178 4,540 5,180 6,356 7,945 8,399 9,080 10,360 12,712 15,890 16,798 31,780 33,596 41,995 58,793 63,560 67,192 83,990 117,586 167,980 235,172 293,965 335,960 470,344 587,930 1,175,860 and 2,351,720, with no remainder.

Since 2,351,720 cannot be divided by just 1 and 2,351,720, 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).