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Q: What method would you use to find the LCM of a group of 4?

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Prime factorization.

Prime factorization.

You write down the multiples of those four numbers and find the LCM. EX. 1:1,2,3,4,5,6,7,8,9,10,11,12 2:1,2 3:1,3 4:1,2,3 So the LCM is 2.

it is a method in mathematics that helps to find out LCM

Two or more numbers are needed to find the LCM

No matter what method you use, you need at least two numbers to find an LCM.

you write with a pen

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.

216 ,4587 and 2378

speed you can just use your brain to find the LCM faster, sometimes.

The GCF is 7.The LCM is 70.

I'd multiply them together because 17 is a prime number and 57 isn't a multiple of 17 so the LCM has to be their product.

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