Q: Is 18,426,100 a Composite Number?

Why is 18,426,100 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 18,426,100 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1,100 1,540 1,925 2,393 3,850 4,786 7,700 9,572 11,965 16,751 23,930 26,323 33,502 47,860 52,646 59,825 67,004 83,755 105,292 119,650 131,615 167,510 184,261 239,300 263,230 335,020 368,522 418,775 526,460 658,075 737,044 837,550 921,305 1,316,150 1,675,100 1,842,610 2,632,300 3,685,220 4,606,525 9,213,050 and 18,426,100, with no remainder.

Since 18,426,100 cannot be divided by just 1 and 18,426,100, 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).