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you can use the ladder. But only with two numbers. If its more than 3 numbers you will have to factorize it, or list the prime #'s. (if you don't know what the ladder is, ask your math teacher. If your teacher doesn't know, ask a parent/gurdian, if they dont know than your left with the choice of googling it.)

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What is the list common mulyiple of 2 4 and 7?

Their least common multiple is 28


How do you get the least common multiple of 25 and 10?

The least common factor of 10 and 25 is: 1. The HIGHEST common factor is 5, and the least common MULTIPLE is 50.


What lists factors is it called common factors or composite number or multiple?

When you are finding common factors, one method is to list the factors.


What is the least common multiple of 7 14 63?

the answer 63You just list all the multiples of each7 - 7, 14, 21, 28, 35, 42, 49, 54, 63, 70, ...63 - 63, 126, 189, 252, ...


What is the least common multiple of 7 28 42?

The traditional method is to list the multiples of each number and pick the smallest multiple they have in common. This can be very tasking for large numbers. The traditional solution is shown below: [Method 1] Steps: 1. List the multiples of each number: 28 - 28, 56, 84, 112, 140... 42 - 42, 84, 126, 168, 210... 2. Pick the smallest multiple they have in common which in this case is 84. If there are no common multiples, continue listing multiples until a common multiple is produced. [Method 2 - Prime factorization Method] Steps: 1. Find the prime factorization of each number. 28 - 2*2*7 42 - 2*3*7 2. Circle the prime factors they have in common one pair at a time. One pair of twos and one pair of sevens. The other 2 and 3 remain uncircled. 3. Multiply one number from each of the pairs by each of the uncircled prime factors remaining to get the LCM (least common multiple). 2*7*2*3 = 84

Related Questions

What is the list common multiple of 12and18?

The "least" common multiple of 12 and 18 will be 36.


What are the steps in finding the least common multiple of two numbers?

to find the least common multiple of two numbers you must list the factors then you can find out their least common multiple of the two numbers


What is the Lowest Common Multiple of 45 and 81 list?

The least common multiple of 45 , 81 = 405


What is the list common mulyiple of 2 4 and 7?

Their least common multiple is 28


Which list shows the least common multiple of 28 and 30?

The one with 420 on it.


True or false the least common multiple of a list of numbers is the smallest number that is a multiple of all numbers in the list of numbers?

False. The least common multiple (LCM) of a list of numbers is the smallest number that is divisible by each number in the list, not just a multiple. In other words, the LCM is the smallest number that is a common multiple of all the numbers in the list.


What is a list of common multiples for 8 and 22?

The least common multiple of the numbers 8 and 22 is 88.


Why is 18 a least common multiple of 9?

18 is a multiple of 9. To be an LCM, it has to be compared to another list of multiples.


What of the two or more numbers is the least number that is in each of their list of multiples?

That's the least common multiple, or LCM.


How do you get the least common multiple of 25 and 10?

The least common factor of 10 and 25 is: 1. The HIGHEST common factor is 5, and the least common MULTIPLE is 50.


What lists factors is it called common factors or composite number or multiple?

When you are finding common factors, one method is to list the factors.


what is the LCM of the list of number 350 140?

The least common multiple of the numbers 350 and 140 is 700.