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Q: What is the GCF and the LCM of numbers 22 and 12?

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Express the numbers in prime factorisation in power form: 12 = 22 x 31 27 = 33 For gcf multiply together the lowest power of the common primes: gcf of 12 and 27 = 31 = 3 For LCM multiply together the highest power of all the primes (across the numbers): LCM of 12 and 27 = 22 x 33 = 108

You need at least two numbers to find a GCF or LCM, as they they are relationships between multiple numbers.

22 is a factor of 110. 110 is a multiple of 22. That means that 22 is the GCF and 110 is the LCM of those two numbers.

The LCM of these numbers is 4620. LCM is Least Common Multiple.

This is confusingly written. I think that someone wants you to learn the fact that the product of two numbers is equal to the product of their LCM and GCF. Example: 6 and 8 GCF = 2 LCM = 24 6 x 8 = 48 2 x 24 = 48 So 22 x 23 = 506 If the GCF is 2, then the LCM is 253. But the GCF of 22 and 23 isn't 2. And 253 isn't a multiple of 22 or 23. And 22 and 23 wouldn't be the factors of two numbers. This may not have been copied correctly.

This is confusingly written. I think that someone wants you to learn the fact that the product of two numbers is equal to the product of their LCM and GCF. Example: 6 and 8 GCF = 2 LCM = 24 6 x 8 = 48 2 x 24 = 48 So 22 x 23 = 506 If the GCF is 2, then the LCM is 253. But the GCF of 22 and 23 isn't 2. And 253 isn't a multiple of 22 or 23. And 22 and 23 wouldn't be the factors of two numbers. This may not have been copied correctly.

The LCM is 132.

You need space between the numbers, I am guessing you mean 12 and 14 In which case you might factor the numbers 12=22 x3 14=7x2 So the LCM is 22 x3 x7 which is 21x4 or 84

The GCF of 12 15 and 22 is 1.

LCM of 12 22 30 is 660.

To find the LCM, you multiply the two numbers and divide by the GCF. Find the GCF first. 88 factors to [2 2 2 11] 66 factors to [2 3 11] common factors are [2 11] so GCF=22 88 * 66 / 22 = 264 ■

The LCM of 22 and 33 is 66.

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