Q: Is 201,201,200 a Prime Number?

Why is 201,201,200 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 201201200 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 503,003 1,006,006 2,012,012 2,515,015 4,024,024 5,030,030 8,048,048 10,060,060 12,575,075 20,120,120 25,150,150 40,240,240 50,300,300 100,600,600 and 201,201,200, with no remainder.

Since 201,201,200 cannot be divided by just 1 and 201,201,200, it is not a prime number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).