Q: Is 2,731,365 a Composite Number?

Why is 2,731,365 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 2,731,365 can be evenly divided by 1 3 5 7 9 13 15 21 23 29 35 39 45 63 65 69 87 91 105 115 117 145 161 195 203 207 261 273 299 315 345 377 435 455 483 585 609 667 805 819 897 1,015 1,035 1,131 1,305 1,365 1,449 1,495 1,827 1,885 2,001 2,093 2,415 2,639 2,691 3,045 3,335 3,393 4,095 4,485 4,669 5,655 6,003 6,279 7,245 7,917 8,671 9,135 10,005 10,465 13,195 13,455 14,007 16,965 18,837 23,345 23,751 26,013 30,015 31,395 39,585 42,021 43,355 60,697 70,035 78,039 94,185 118,755 130,065 182,091 210,105 303,485 390,195 546,273 910,455 and 2,731,365, with no remainder.

Since 2,731,365 cannot be divided by just 1 and 2,731,365, 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).