Q: Is 2,722,170 a Composite Number?

Why is 2,722,170 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 2,722,170 can be evenly divided by 1 2 3 5 6 10 11 15 22 30 33 55 66 73 110 113 146 165 219 226 330 339 365 438 565 678 730 803 1,095 1,130 1,243 1,606 1,695 2,190 2,409 2,486 3,390 3,729 4,015 4,818 6,215 7,458 8,030 8,249 12,045 12,430 16,498 18,645 24,090 24,747 37,290 41,245 49,494 82,490 90,739 123,735 181,478 247,470 272,217 453,695 544,434 907,390 1,361,085 and 2,722,170, with no remainder.

Since 2,722,170 cannot be divided by just 1 and 2,722,170, 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).