Tiesonthewall:
Not only a lot of numbers, but basically any number that is even will conclude to have 2 as a factor.
The even ones.
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No, 2 is a factor of even numbers.
2 is a divisor of all even numbers, and a divisor is a factor of all numbers which can be divided by it.
The pair of numbers that have a greatest common factor of 2 are any two even numbers. This is because the greatest common factor of two numbers is the largest number that divides both numbers evenly. Since 2 is the only even prime number, any two even numbers will have 2 as a common factor.
2 is a common factor of 12 and 24 because it can evenly divide both numbers without any remainder. This is because 12 is equal to 2 multiplied by 6, and 24 is equal to 2 multiplied by 12. Since 2 is a factor of both 12 and 24, it is considered a common factor of the two numbers.
1 is a factor of every whole number, and the gcf of two numbers can be 1 if there is no larger factor common to both numbers.