Q: Is 21,204,150 a Composite Number?

Why is 21,204,150 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 21,204,150 can be evenly divided by 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 71 75 110 142 150 165 181 213 275 330 355 362 426 543 550 710 781 825 905 1,065 1,086 1,562 1,650 1,775 1,810 1,991 2,130 2,343 2,715 3,550 3,905 3,982 4,525 4,686 5,325 5,430 5,973 7,810 9,050 9,955 10,650 11,715 11,946 12,851 13,575 19,525 19,910 23,430 25,702 27,150 29,865 38,553 39,050 49,775 58,575 59,730 64,255 77,106 99,550 117,150 128,510 141,361 149,325 192,765 282,722 298,650 321,275 385,530 424,083 642,550 706,805 848,166 963,825 1,413,610 1,927,650 2,120,415 3,534,025 4,240,830 7,068,050 10,602,075 and 21,204,150, with no remainder.

Since 21,204,150 cannot be divided by just 1 and 21,204,150, 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).