Q: Is 2,174,445 a Composite Number?

Why is 2,174,445 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 2,174,445 can be evenly divided by 1 3 5 7 9 13 15 21 27 35 39 45 59 63 65 81 91 105 117 135 177 189 195 273 295 315 351 405 413 455 531 567 585 767 819 885 945 1,053 1,239 1,365 1,593 1,755 2,065 2,301 2,457 2,655 2,835 3,717 3,835 4,095 4,779 5,265 5,369 6,195 6,903 7,371 7,965 11,151 11,505 12,285 16,107 18,585 20,709 23,895 26,845 33,453 34,515 36,855 48,321 55,755 62,127 80,535 103,545 144,963 167,265 241,605 310,635 434,889 724,815 and 2,174,445, with no remainder.

Since 2,174,445 cannot be divided by just 1 and 2,174,445, 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).