Two is a whole number and 8 is a whole number but "two whole number a 8" makes no sense whatsoever.
Yes, two is a whole number.
Yes, it is.
The sum of two numbers is a whole number if both of the numbers are whole numbers, or if the sum of two fractions can be simplified to a whole number.
Yes, any two whole numbers added together will equal a whole number.
There is no whole number. One over two = 1/2
Every whole number is unique: no two whole numbers are the same!
Two and a half would be called a mixed number, because it has a whole number and a fraction.
Yes, the product of two whole numbers is a whole number. For example 3*7 = 21
A prime number is a whole number with exactly two factors: 1 and itself.
It is 1.