Q: Is 2,721,950 a Composite Number?

Why is 2,721,950 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 2,721,950 can be evenly divided by 1 2 5 7 10 11 14 22 25 35 49 50 55 70 77 98 101 110 154 175 202 245 275 350 385 490 505 539 550 707 770 1,010 1,078 1,111 1,225 1,414 1,925 2,222 2,450 2,525 2,695 3,535 3,850 4,949 5,050 5,390 5,555 7,070 7,777 9,898 11,110 13,475 15,554 17,675 24,745 26,950 27,775 35,350 38,885 49,490 54,439 55,550 77,770 108,878 123,725 194,425 247,450 272,195 388,850 544,390 1,360,975 and 2,721,950, with no remainder.

Since 2,721,950 cannot be divided by just 1 and 2,721,950, 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).