Q: Is 121,212,200 a Composite Number?

Why is 121,212,200 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 121,212,200 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 331 662 1,324 1,655 1,831 2,648 3,310 3,662 6,620 7,324 8,275 9,155 13,240 14,648 16,550 18,310 33,100 36,620 45,775 66,200 73,240 91,550 183,100 366,200 606,061 1,212,122 2,424,244 3,030,305 4,848,488 6,060,610 12,121,220 15,151,525 24,242,440 30,303,050 60,606,100 and 121,212,200, with no remainder.

Since 121,212,200 cannot be divided by just 1 and 121,212,200, 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).