Q: Is 20,634,075 a Composite Number?

Why is 20,634,075 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 20,634,075 can be evenly divided by 1 3 5 7 9 11 15 21 25 27 33 35 45 55 63 75 77 99 105 135 165 175 189 225 231 275 297 315 385 397 495 525 675 693 825 945 1,155 1,191 1,485 1,575 1,925 1,985 2,079 2,475 2,779 3,465 3,573 4,367 4,725 5,775 5,955 7,425 8,337 9,925 10,395 10,719 13,101 13,895 17,325 17,865 21,835 25,011 29,775 30,569 39,303 41,685 51,975 53,595 65,505 69,475 75,033 89,325 91,707 109,175 117,909 125,055 152,845 196,515 208,425 267,975 275,121 327,525 375,165 458,535 589,545 625,275 764,225 825,363 982,575 1,375,605 1,875,825 2,292,675 2,947,725 4,126,815 6,878,025 and 20,634,075, with no remainder.

Since 20,634,075 cannot be divided by just 1 and 20,634,075, 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).