Q: Is 21,230,300 a Composite Number?

Why is 21,230,300 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 21,230,300 can be evenly divided by 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 130 140 175 182 260 325 350 364 455 650 700 910 1,300 1,820 2,275 2,333 4,550 4,666 9,100 9,332 11,665 16,331 23,330 30,329 32,662 46,660 58,325 60,658 65,324 81,655 116,650 121,316 151,645 163,310 212,303 233,300 303,290 326,620 408,275 424,606 606,580 758,225 816,550 849,212 1,061,515 1,516,450 1,633,100 2,123,030 3,032,900 4,246,060 5,307,575 10,615,150 and 21,230,300, with no remainder.

Since 21,230,300 cannot be divided by just 1 and 21,230,300, 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).