Q: Is 2,100,210 a Composite Number?

Why is 2,100,210 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 2,100,210 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 73 105 137 146 210 219 274 365 411 438 511 685 730 822 959 1,022 1,095 1,370 1,533 1,918 2,055 2,190 2,555 2,877 3,066 4,110 4,795 5,110 5,754 7,665 9,590 10,001 14,385 15,330 20,002 28,770 30,003 50,005 60,006 70,007 100,010 140,014 150,015 210,021 300,030 350,035 420,042 700,070 1,050,105 and 2,100,210, with no remainder.

Since 2,100,210 cannot be divided by just 1 and 2,100,210, 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).