Q: Is 211,120,400 a Composite Number?

Why is 211,120,400 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 211,120,400 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 304 380 400 475 760 950 1,520 1,900 3,800 7,600 27,779 55,558 111,116 138,895 222,232 277,790 444,464 527,801 555,580 694,475 1,055,602 1,111,160 1,388,950 2,111,204 2,222,320 2,639,005 2,777,900 4,222,408 5,278,010 5,555,800 8,444,816 10,556,020 11,111,600 13,195,025 21,112,040 26,390,050 42,224,080 52,780,100 105,560,200 and 211,120,400, with no remainder.

Since 211,120,400 cannot be divided by just 1 and 211,120,400, 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).