Q: Is 1,210,020 a Composite Number?

Why is 1,210,020 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 1,210,020 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 60 67 70 84 86 105 129 134 140 172 201 210 215 258 268 301 335 402 420 430 469 516 602 645 670 804 860 903 938 1,005 1,204 1,290 1,340 1,407 1,505 1,806 1,876 2,010 2,345 2,580 2,814 2,881 3,010 3,612 4,020 4,515 4,690 5,628 5,762 6,020 7,035 8,643 9,030 9,380 11,524 14,070 14,405 17,286 18,060 20,167 28,140 28,810 34,572 40,334 43,215 57,620 60,501 80,668 86,430 100,835 121,002 172,860 201,670 242,004 302,505 403,340 605,010 and 1,210,020, with no remainder.

Since 1,210,020 cannot be divided by just 1 and 1,210,020, 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).