Q: Is 505,890 a Composite Number?

Why is 505,890 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 505,890 can be evenly divided by 1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 55 63 66 70 73 77 90 99 105 110 126 146 154 165 198 210 219 231 315 330 365 385 438 462 495 511 630 657 693 730 770 803 990 1,022 1,095 1,155 1,314 1,386 1,533 1,606 2,190 2,310 2,409 2,555 3,066 3,285 3,465 4,015 4,599 4,818 5,110 5,621 6,570 6,930 7,227 7,665 8,030 9,198 11,242 12,045 14,454 15,330 16,863 22,995 24,090 28,105 33,726 36,135 45,990 50,589 56,210 72,270 84,315 101,178 168,630 252,945 and 505,890, with no remainder.

Since 505,890 cannot be divided by just 1 and 505,890, 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).