Q: Is 12,109,900 a Composite Number?

Why is 12,109,900 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 12,109,900 can be evenly divided by 1 2 4 5 10 11 20 22 25 44 50 55 100 101 109 110 202 218 220 275 404 436 505 545 550 1,010 1,090 1,100 1,111 1,199 2,020 2,180 2,222 2,398 2,525 2,725 4,444 4,796 5,050 5,450 5,555 5,995 10,100 10,900 11,009 11,110 11,990 22,018 22,220 23,980 27,775 29,975 44,036 55,045 55,550 59,950 110,090 111,100 119,900 121,099 220,180 242,198 275,225 484,396 550,450 605,495 1,100,900 1,210,990 2,421,980 3,027,475 6,054,950 and 12,109,900, with no remainder.

Since 12,109,900 cannot be divided by just 1 and 12,109,900, 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).