WebThe Greatest Common Factor (GCF) for 21 and 20, notation CGF (21,20), is 1. Explanation: The factors of 21 are 1,3,7,21; The factors of 20 are 1,2,4,5,10,20. So, as we can see, the Greatest Common Factor or Divisor is 1, because it is the greatest number that divides evenly into all of them. WebThe highest number that divides 12 and 20 exactly is their highest common factor, i.e. HCF of 12 and 20. ⇒ Factors of 12 and 20: Factors of 12 = 1, 2, 3, 4, 6, 12 Factors of 20 = 1, 2, 4, 5, 10, 20 Therefore, the HCF of 12 and 20 is 4. Example 3: The product of two numbers is 240. If their HCF is 4, what is their LCM? Solution:
What are the common factors of 12 and 21? - Answers
WebHighest common factor GCSE maths revision guide including step by step examples, ... the prime factors of 2 and 3 occur for both 12 and 30 so their product is the highest … WebStep 1: List all of the factors of the given numbers. Factors of 12: 1, 2, 3, 4, 6, 12 Factors of 15: 1, 3, 5, 15 Step 2: Circle or highlight the numbers that exist in the factors of both numbers and should be the greatest common number. In this case, 3 is the largest common number in both of them. Factors of 12: 1, 2, 3, 4, 6, 12 flowing aalter
Gcf Of 6 And 12 - QnA
WebThe Highest Common Factor (HCF) or the Greatest Common Divisor (GCD) of 12, 15 and 21 is 3. The only common prime factor of 12, 15 and 21 is 3. Hence, the Highest Common Factor of 12, 15 and 21 is 3. How to Find HCF of 12, 15 and 21? There are three methods to find the HCF of 12, 15 and 21: Prime Factorisation Long Division method Web18 de nov. de 2024 · The highest common factor is the largest whole number which is shared by given numbers. For example, common factors of 10 and 20 are 1, 2, 5 and 10, but the highest of those is 10; therefore, the highest common factor of 10 and 20 is 10. Other terms can sometimes be used, mainly greatest common factor (GCF) and … Web10 de dez. de 2024 · With this factor calculator, you will determine the factors of any positive natural number. A factor is any number that divides evenly into another number. … flowing acres