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An interesting trick is to subtract the two numbers, as follows:

For example, the GCF of 14 and 10 is the same as the GCF of 10 and 4, where 4 is the result of the subtraction. Instead of subtracting several times, you can also get the remainder of a division: 10 divided by 4 gives a remainder of 2.

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14y ago
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9y ago

That would be some trick. You need at least two numbers to find a GCF.

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Q: Tricks to finding a GCF of one number?
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The LCM of two numbers is 1386 and the GCF is 3 so if one number is 66 what is the other?

The answer is 63.LCM of 63 and 66 is 1386.GCF of 63 and 66 is 3. Given one number A, the formula for finding B, the unknown number, is : (LCM/A) x GCF = B (1386/66) x 3 = 21 x 3 = 63


How do you find the other number when the one number is given with the LCM and the GCF?

The product of the original numbers is equal to the product of the GCF and LCM. Divide the product of the LCM and GCF by the one number. The answer will be the other.


What is the GCF of three fourths?

The GCF refers to integers, not fractions.


How do you find the greatest common factor of a positive and negative number?

Well, to get a negative number, when multiplying, you must have a negative and a posative. Therefore their would be one negative and posative solution, which would allow you to find a GCF for both a posative and negative number. Here's and example: Find the GCF of 4, and -12 You would factor each of them : you would have 4: 2,2 1,4 -12: 6,-2 2,-6 12,-1 .12,1 3,-4 4,-3 You would then determine that using that data, 4 would be the greatest common facotr of those two numbers.


What is the GCF of 68?

Well, isn't that a happy little question! The greatest common factor (GCF) of 68 is 4. You see, the GCF is the largest number that can evenly divide into two or more numbers, and in this case, 4 is the largest number that can divide into 68 without any remainders. Just remember, math is like painting a beautiful landscape - it's all about finding the right colors to make everything come together harmoniously.

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The LCM of two numbers is 1386 and the GCF is 3 so if one number is 66 what is the other?

The answer is 63.LCM of 63 and 66 is 1386.GCF of 63 and 66 is 3. Given one number A, the formula for finding B, the unknown number, is : (LCM/A) x GCF = B (1386/66) x 3 = 21 x 3 = 63


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