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2. How many common factors do 18 and 24 have? - Socratic

   socratic.org/questions/how-many-common-factors-does-18-and-24-have

   There are four common factors: Common factors are: " "1," "2," "3," "6 List the factors of each number and see which they have in common, Factors of 18:" "1," "2," "3 ...

3. What is the gcf of 18 and 24? - Socratic

   socratic.org/questions/what-is-the-gcf-of-18-and-24

   Find the prime factors for each number as: #18 = 2 xx 3 xx 3# #24= 2 xx 2 xx 2 xx 3# Now identify the common factors and determine the GCF:

4. What are the common factors of 24 and 36? - Socratic

   socratic.org/questions/what-are-the-common-factors-of-24-and-36

   Common Factors are {1,2,3,4,6,12} Factors of 24 are {color(red)(1,2,3,4,6),8,color(red)12,24} Factors of 36 are {color(red)(1,2,3,4,6,)9,color(red)12,18,36} Common ...

5. What is the GCF for 54, 72? - Socratic

   socratic.org/questions/what-is-the-gcf-for-54-72

   Find the prime factors of each number and see how many factors are shared by both numbers. 54 = 2 ×2 ×2 × 3 × 3 × 3. 72 = 2 ×2 ×2 × 3 × 3. GCF= 22 × 2 × ×3 × 3 = 18. Answer link. Greatest Common Factor is 18 Factors of 54 are {1,2,3,6,9,18,27,54} Factors of 72 are {1,2,3,4,6,8,9,12,18,24,36,72} Hence common factors are {1,2,3,6,9 ...

6. Greatest Common Factor - Prealgebra - Socratic

   socratic.org/prealgebra/factors-and-multiples/greatest-common-factor

   If so, which is the greatest?: {54, 32, 96} Do the following numbers share common factors? If so, which is the greatest?: {70, 84, 105} Do the following numbers share common factors? If so, which is the greatest common factor?: {240, 96, 144} What are all the greatest common factors of 36 and 90?

7. What is the greatest common factor of 54 and 36? - Socratic

   socratic.org/questions/what-is-the-greatest-common-factor-of-54-and-36

   That will tell you everything you need to know about a number. Look for all the common factors: 36 = 2 × 2 ×3 ×3. 54 = 2 × 3 × 3 × 3 −−−−−−−−−−−−−−−−−−−−. H CF = 2 ×3 ×3 = 18. The highest common factor is the product of all the common factors. This is a very quick and effective method, especially ...

8. How do you find the Least common multiple of 18, 6v? - Socratic

   socratic.org/questions/how-do-you-find-the-least-common-multiple-of-18-6v

   For calculating LCM of two numbers, we first write all the factors of the two numbers. Then for LCM, we first pick up all the common factors and then the remaining factors i.e. the numbers left out and multiply them. Here we have two numbers 18 and 6v. Factors of 18 and 6v are 18=ul (color (red) (2×3))×3 6v=ul (color (red) (2×3))×v Hence ...

9. What is the least common multiple (LCM) of 8, 12, and 18?

   socratic.org/questions/what-is-the-least-common-multiple-lcm-of-8-12-and-18

   and Least Common Multiple is 72. Another shorter way is to write numbers as multiplication of its prime factors. 8 = 2 ×2 ×2 → 2 comes three times. 12 = 2 × 2 × 3 → 2 comes twice and 3 once. 18 = 2 × 3 × 3 → 2 comes once and 3 twice. So maximum times is three times for 2 and two times for 3. Hence, Least Common Multiple is 2 × 2 × ...

10. What is the greatest common factor of 24 and 42? - Socratic

    socratic.org/questions/what-is-the-greatest-common-factor-of-24and-42

    Greatest common factor is 6 Break the numbers down into their prime number factors. Some prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37 .... Observe that the only prime numbers in both are 2 and 3. So the product 2xx3=6 is a factor of both. Since there is no other prime common to both 24 and 42, we cannot increase the common factor of 6 by multiplying by another prime. So, the ...

11. What is the GCF of 36 and 60? - Socratic

    socratic.org/questions/what-is-the-gcf-of-36-and-60

    A method of finding GCF and LCM - especially of several numbers if they are larger than usual - is to write the numbers as the product of the prime factors. In this way we can immediately see which factors are common: #color(white)(xxxxxx)36 = color(red)(2xx2xx3)xx3# #color(white)(xxxxxx)60= color(red)(2xx2xx3)color(white)(xxx)xx5#