Whats the highest common factor of 42 and 105? ​

Final answer: The highest common factor (HCF) of 42 and 105 is 21, since it's the greatest number that divides both of these numbers. Explanation: The highest common factor (HCF) of two numbers is the greatest number that is a divisor of both of them. To find the HCF of 42 and 105, let's find the factors of each number first. The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, and 105. The common factors of 42 and 105 are: 1, 3, 7, and 21. Of these, 21 is the greatest. Therefore, the Highest Common Factor of 42 and 105 is 21. Learn more about Highest Common Factor here: brainly.com/question/30961988 #SPJ9