Q: Is 21,429,200 a Composite Number?

Why is 21,429,200 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 21,429,200 can be evenly divided by 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 169 200 208 260 317 325 338 400 520 634 650 676 845 1,040 1,268 1,300 1,352 1,585 1,690 2,536 2,600 2,704 3,170 3,380 4,121 4,225 5,072 5,200 6,340 6,760 7,925 8,242 8,450 12,680 13,520 15,850 16,484 16,900 20,605 25,360 31,700 32,968 33,800 41,210 53,573 63,400 65,936 67,600 82,420 103,025 107,146 126,800 164,840 206,050 214,292 267,865 329,680 412,100 428,584 535,730 824,200 857,168 1,071,460 1,339,325 1,648,400 2,142,920 2,678,650 4,285,840 5,357,300 10,714,600 and 21,429,200, with no remainder.

Since 21,429,200 cannot be divided by just 1 and 21,429,200, 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).