Q: Is 2,021,370 a Composite Number?

Why is 2,021,370 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 2,021,370 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 65 71 73 78 130 142 146 195 213 219 355 365 390 426 438 710 730 923 949 1,065 1,095 1,846 1,898 2,130 2,190 2,769 2,847 4,615 4,745 5,183 5,538 5,694 9,230 9,490 10,366 13,845 14,235 15,549 25,915 27,690 28,470 31,098 51,830 67,379 77,745 134,758 155,490 202,137 336,895 404,274 673,790 1,010,685 and 2,021,370, with no remainder.

Since 2,021,370 cannot be divided by just 1 and 2,021,370, 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).