Q: Is 2,318,085 a Composite Number?

Why is 2,318,085 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 2,318,085 can be evenly divided by 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 223 231 297 315 385 495 669 693 945 1,115 1,155 1,485 1,561 2,007 2,079 2,453 3,345 3,465 4,683 6,021 7,359 7,805 10,035 10,395 12,265 14,049 17,171 22,077 23,415 30,105 36,795 42,147 51,513 66,231 70,245 85,855 110,385 154,539 210,735 257,565 331,155 463,617 772,695 and 2,318,085, with no remainder.

Since 2,318,085 cannot be divided by just 1 and 2,318,085, 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).