Q: Is 20,876,100 a Composite Number?

Why is 20,876,100 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 20,876,100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1,050 2,100 9,941 19,882 29,823 39,764 49,705 59,646 69,587 99,410 119,292 139,174 149,115 198,820 208,761 248,525 278,348 298,230 347,935 417,522 497,050 596,460 695,870 745,575 835,044 994,100 1,043,805 1,391,740 1,491,150 1,739,675 2,087,610 2,982,300 3,479,350 4,175,220 5,219,025 6,958,700 10,438,050 and 20,876,100, with no remainder.

Since 20,876,100 cannot be divided by just 1 and 20,876,100, 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).