Q: Is 495,495 a Composite Number?

Why is 495,495 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 495,495 can be evenly divided by 1 3 5 7 9 11 13 15 21 33 35 39 45 55 63 65 77 91 99 105 117 121 143 165 195 231 273 315 363 385 429 455 495 585 605 693 715 819 847 1,001 1,089 1,155 1,287 1,365 1,573 1,815 2,145 2,541 3,003 3,465 4,095 4,235 4,719 5,005 5,445 6,435 7,623 7,865 9,009 11,011 12,705 14,157 15,015 23,595 33,033 38,115 45,045 55,055 70,785 99,099 165,165 and 495,495, with no remainder.

Since 495,495 cannot be divided by just 1 and 495,495, 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).