Q: Is 42,021,200 a Composite Number?

Why is 42,021,200 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 42,021,200 can be evenly divided by 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1,040 1,300 2,600 5,200 8,081 16,162 32,324 40,405 64,648 80,810 105,053 129,296 161,620 202,025 210,106 323,240 404,050 420,212 525,265 646,480 808,100 840,424 1,050,530 1,616,200 1,680,848 2,101,060 2,626,325 3,232,400 4,202,120 5,252,650 8,404,240 10,505,300 21,010,600 and 42,021,200, with no remainder.

Since 42,021,200 cannot be divided by just 1 and 42,021,200, 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).