Q: Is 23,221,000 a Composite Number?

Why is 23,221,000 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 23,221,000 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1,000 1,100 1,375 2,111 2,200 2,750 4,222 5,500 8,444 10,555 11,000 16,888 21,110 23,221 42,220 46,442 52,775 84,440 92,884 105,550 116,105 185,768 211,100 232,210 263,875 422,200 464,420 527,750 580,525 928,840 1,055,500 1,161,050 2,111,000 2,322,100 2,902,625 4,644,200 5,805,250 11,610,500 and 23,221,000, with no remainder.

Since 23,221,000 cannot be divided by just 1 and 23,221,000, 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).