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What are numbers called with only one factor?
Numbers with only one factor are called prime numbers. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. Examples of prime numbers include 2, 3, 5, 7, 11, and so on. These numbers have only two factors: 1 and the number itself.
Are every even number has at least two factors?
Every even number but 2. Even numbers have 2 as a factor (by definition), so higher even numbers can be separated into two factors, 2 and some other number. For example, 6 = 2 x 3.
How do you know that the product of any two numbers greater than i must be a composite number?
Prime numbers have only two factors: one and themselves. By definition, your product would have more than that: one, the product and at least the two numbers that created the product. It has to be composite.
Is it possible for two numbers to have no common factors?
No because every single number has a factor of one, therefore you have one as the common factor.
What are the factors of all the numbers through 100?
Every whole number between 1 and 50 is a factor of one or more whole numbersbetween 1 and 100.' 1 ' is a factor of every whole number.
