Q: Is 2,774,655 a Composite Number?

Why is 2,774,655 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 2,774,655 can be evenly divided by 1 3 5 9 13 15 17 27 31 39 45 51 65 81 85 93 117 135 153 155 195 221 255 279 351 403 405 459 465 527 585 663 765 837 1,053 1,105 1,209 1,377 1,395 1,581 1,755 1,989 2,015 2,295 2,511 2,635 3,315 3,627 4,185 4,743 5,265 5,967 6,045 6,851 6,885 7,905 9,945 10,881 12,555 14,229 17,901 18,135 20,553 23,715 29,835 32,643 34,255 42,687 54,405 61,659 71,145 89,505 102,765 163,215 184,977 213,435 308,295 554,931 924,885 and 2,774,655, with no remainder.

Since 2,774,655 cannot be divided by just 1 and 2,774,655, 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).