Q: Is 1,660,890 a Composite Number?

Why is 1,660,890 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 1,660,890 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 719 770 1,155 1,438 2,157 2,310 3,595 4,314 5,033 7,190 7,909 10,066 10,785 15,099 15,818 21,570 23,727 25,165 30,198 39,545 47,454 50,330 55,363 75,495 79,090 110,726 118,635 150,990 166,089 237,270 276,815 332,178 553,630 830,445 and 1,660,890, with no remainder.

Since 1,660,890 cannot be divided by just 1 and 1,660,890, 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).