Q: Is 20,211,030 a Composite Number?

Why is 20,211,030 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 20,211,030 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1,470 2,205 4,410 4,583 9,166 13,749 22,915 27,498 32,081 41,247 45,830 64,162 68,745 82,494 96,243 137,490 160,405 192,486 206,235 224,567 288,729 320,810 412,470 449,134 481,215 577,458 673,701 962,430 1,122,835 1,347,402 1,443,645 2,021,103 2,245,670 2,887,290 3,368,505 4,042,206 6,737,010 10,105,515 and 20,211,030, with no remainder.

Since 20,211,030 cannot be divided by just 1 and 20,211,030, 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).