Q: Is 11,947,005 a Composite Number?

Why is 11,947,005 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 11,947,005 can be evenly divided by 1 3 5 7 9 15 17 21 23 35 45 51 63 69 85 97 105 115 119 153 161 207 255 291 315 345 357 391 483 485 595 679 765 805 873 1,035 1,071 1,173 1,449 1,455 1,649 1,785 1,955 2,037 2,231 2,415 2,737 3,395 3,519 4,365 4,947 5,355 5,865 6,111 6,693 7,245 8,211 8,245 10,185 11,155 11,543 13,685 14,841 15,617 17,595 20,079 24,633 24,735 30,555 33,465 34,629 37,927 41,055 46,851 57,715 74,205 78,085 100,395 103,887 113,781 123,165 140,553 173,145 189,635 234,255 265,489 341,343 519,435 568,905 702,765 796,467 1,327,445 1,706,715 2,389,401 3,982,335 and 11,947,005, with no remainder.

Since 11,947,005 cannot be divided by just 1 and 11,947,005, 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).