Q: Is 21,004,300 a Composite Number?

Why is 21,004,300 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 21,004,300 can be evenly divided by 1 2 4 5 10 20 25 41 47 50 82 94 100 109 164 188 205 218 235 410 436 470 545 820 940 1,025 1,090 1,175 1,927 2,050 2,180 2,350 2,725 3,854 4,100 4,469 4,700 5,123 5,450 7,708 8,938 9,635 10,246 10,900 17,876 19,270 20,492 22,345 25,615 38,540 44,690 48,175 51,230 89,380 96,350 102,460 111,725 128,075 192,700 210,043 223,450 256,150 420,086 446,900 512,300 840,172 1,050,215 2,100,430 4,200,860 5,251,075 10,502,150 and 21,004,300, with no remainder.

Since 21,004,300 cannot be divided by just 1 and 21,004,300, 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).