Example: Find the HCF of 126, 162, and 180.Solution: First, we will find the HCF of the two numbers 126 and 180. The HCF of 126 and 180 = 18. Then, we will find the HCF of the third number, which is 162, and the HCF of the two numbers obtained in the previous step, that...
Therefore, 15 is the HCF of 45 and 60. HCF of Three Numbers Let us solve an example when we need to find the HCF of three numbers. Example: Find the HCF of 126, 162 and 180. Solution: By prime factorisation, we can write the given numbers as; ...
LCM or Least common multiple of two numbers is the smallest number that can be evenly divisible by both of those numbers: For example: LCM of 4, 10 is 20, LCM of 4, 3 is 12. HCF or Highest common factor, also known as GCD (Greatest common divisor) of two numbers is the highest ...
解析 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbers i s 2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
解析 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbers i s2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
Example 1: Find the HCF of 72 and 120. Solution: The given numbers are 72 and 120. To find the HCF of two numbers 72 and 120 we can use the prime factorization method. In the prime factorization method firstly we need to write all the prime factors of respective numbers and then find...
Example 3: HCF (11, 25) = ? 11 = {1, 11} 25 = {1, 5, 25} HCF (11, 25) = 1 Method 2: Prime Factorization Using Factor Tree and Tabular Division From the word itself,Prime Factorizationis a method of getting the factors of a number that areprime numbers. Whether we are using...
And we call 6 as highest common factor of these two numbers and we call it the HCF of these two numbers. Method to find HCF Lets take an example: Find HCF of 24, 36 and 50 Step 1: Write all numbers in their prime form 24 = 23 x 3 ...
解析 【解析】 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbersi s2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
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