Q: Is 120,720,810 a Composite Number?

Why is 120,720,810 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 120,720,810 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 41 42 49 70 82 98 105 123 147 205 210 245 246 287 294 410 490 574 615 735 861 1,230 1,435 1,470 1,722 2,003 2,009 2,870 4,006 4,018 4,305 6,009 6,027 8,610 10,015 10,045 12,018 12,054 14,021 20,030 20,090 28,042 30,045 30,135 42,063 60,090 60,270 70,105 82,123 84,126 98,147 140,210 164,246 196,294 210,315 246,369 294,441 410,615 420,630 490,735 492,738 574,861 588,882 821,230 981,470 1,149,722 1,231,845 1,472,205 1,724,583 2,463,690 2,874,305 2,944,410 3,449,166 4,024,027 5,748,610 8,048,054 8,622,915 12,072,081 17,245,830 20,120,135 24,144,162 40,240,270 60,360,405 and 120,720,810, with no remainder.

Since 120,720,810 cannot be divided by just 1 and 120,720,810, 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).