Q: Is 4,126,815 a Composite Number?

Why is 4,126,815 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 4,126,815 can be evenly divided by 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 385 397 495 693 945 1,155 1,191 1,485 1,985 2,079 2,779 3,465 3,573 4,367 5,955 8,337 10,395 10,719 13,101 13,895 17,865 21,835 25,011 30,569 39,303 41,685 53,595 65,505 75,033 91,707 117,909 125,055 152,845 196,515 275,121 375,165 458,535 589,545 825,363 1,375,605 and 4,126,815, with no remainder.

Since 4,126,815 cannot be divided by just 1 and 4,126,815, 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).