Q: Is 55,605,560 a Composite Number?

Why is 55,605,560 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 55,605,560 can be evenly divided by 1 2 4 5 8 10 20 40 73 137 139 146 274 278 292 365 548 556 584 685 695 730 1,096 1,112 1,370 1,390 1,460 2,740 2,780 2,920 5,480 5,560 10,001 10,147 19,043 20,002 20,294 38,086 40,004 40,588 50,005 50,735 76,172 80,008 81,176 95,215 100,010 101,470 152,344 190,430 200,020 202,940 380,860 400,040 405,880 761,720 1,390,139 2,780,278 5,560,556 6,950,695 11,121,112 13,901,390 27,802,780 and 55,605,560, with no remainder.

Since 55,605,560 cannot be divided by just 1 and 55,605,560, 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).