Q: Is 55,505,550 a Composite Number?

Why is 55,505,550 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 55,505,550 can be evenly divided by 1 2 3 5 6 10 15 25 30 37 50 73 74 75 111 137 146 150 185 219 222 274 365 370 411 438 555 685 730 822 925 1,095 1,110 1,370 1,825 1,850 2,055 2,190 2,701 2,775 3,425 3,650 4,110 5,069 5,402 5,475 5,550 6,850 8,103 10,001 10,138 10,275 10,950 13,505 15,207 16,206 20,002 20,550 25,345 27,010 30,003 30,414 40,515 50,005 50,690 60,006 67,525 76,035 81,030 100,010 126,725 135,050 150,015 152,070 202,575 250,025 253,450 300,030 370,037 380,175 405,150 500,050 740,074 750,075 760,350 1,110,111 1,500,150 1,850,185 2,220,222 3,700,370 5,550,555 9,250,925 11,101,110 18,501,850 27,752,775 and 55,505,550, with no remainder.

Since 55,505,550 cannot be divided by just 1 and 55,505,550, 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).