Q: Is 2,122,890 a Composite Number?

Why is 2,122,890 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 2,122,890 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 919 1,155 1,838 2,310 2,757 4,595 5,514 6,433 9,190 10,109 12,866 13,785 19,299 20,218 27,570 30,327 32,165 38,598 50,545 60,654 64,330 70,763 96,495 101,090 141,526 151,635 192,990 212,289 303,270 353,815 424,578 707,630 1,061,445 and 2,122,890, with no remainder.

Since 2,122,890 cannot be divided by just 1 and 2,122,890, 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).