Q: Is 8,100,810 a Composite Number?

Why is 8,100,810 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 8,100,810 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 73 81 90 135 137 146 162 219 270 274 365 405 411 438 657 685 730 810 822 1,095 1,233 1,314 1,370 1,971 2,055 2,190 2,466 3,285 3,699 3,942 4,110 5,913 6,165 6,570 7,398 9,855 10,001 11,097 11,826 12,330 18,495 19,710 20,002 22,194 29,565 30,003 36,990 50,005 55,485 59,130 60,006 90,009 100,010 110,970 150,015 180,018 270,027 300,030 450,045 540,054 810,081 900,090 1,350,135 1,620,162 2,700,270 4,050,405 and 8,100,810, with no remainder.

Since 8,100,810 cannot be divided by just 1 and 8,100,810, 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).