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To determine the LCM, we'd have to know the value of x. To determine x, we'd have to know the LCM.

If x = 1, the LCM is 60. If x = 7, the LCM is 420. If x = 120, the LCM is 120.

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Q: How do you find the LCM if the numbers are 3 5 12 x so what is the fourth number?
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Related questions

What is the algorithm of LCM of more than 3 numbers?

If you use methods based on prime factors, it is the same whether you have 2, 3, or more numbers: find all the factors that occur in any of your numbers. If you use a method based on Euclid's Algorithm (that is, lcm(a, b) = a x b / gcf(a, b), where you find the gcf with Euclid's Algorithm), then you can find the lcm for two numbers at a time. For example, to get the lcm of four numbers, find the lcm of the first two, then the lcm of the result and the third number, than the lcm of the result and the fourth number.


How do you find the LCM of 3 numbers through the common division method?

Find the LCM of the first two numbers and then find the LCM of that number and the third one. That answer will be the LCM of all three.


How do you get to the LCM of the number 38?

You need at least two numbers to find an LCM.


Can you find the LCM of a prime number?

No. You can only find the LCM of at least two numbers, prime or otherwise. The LCM of any two prime numbers is their product.


What is the LCM of 1268?

The LCM of this number is itself. To find the LCM requires two or more numbers.


What is the LCM of number 777?

You need at least two numbers to find an LCM.


What is LCM of the number 5?

You need at least two numbers to find an LCM.


What is the LCM of the number three?

You need at least two numbers to find an LCM.


What is the LCM 3248?

To find the LCM requires 2 or more numbers. The LCM of a single number is itself.


What is the LCM of 61215?

The LCM of one number is itself. To find the LCM requires two or more numbers.


What is the LCM of 1012?

The LCM of one number is itself. To find LCM requires two or more numbers.


What is the LCM of 18210?

The LCM of one number is itself. To find the LCM requires two or more numbers.