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How are the two ways shown to find the GCF of a set of numbers alike and different?
Wiki User
∙ 8y ago
They both start out with finding the prime factorizations. Then, it's just a matter of which factors you select.
Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
Select the highest amount of each factor.
2 x 3 x 5 x 7 = 210, the LCM
Check it.
30 x 42 = 1260
210 x 6 = 1260
It checks.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoThe greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into all the members of a given set of numbers. The least common multiple, or LCM, is the smallest positive integer that all the members of a given set of numbers will divide into evenly with no remainder.
Wiki User
∙ 7y agoWe have no way of knowing which ways you were shown unless you tell us.
Izabel Toro
Wiki User
∙ 8y agoThey're alike as they are both missing from being shown, they are both invisible.
They are different as they find the gcf differently.
Izabel Toro
Omg they don;t tell you the answer
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How many factors do you have to list when it asks you find all of the whole number factors?
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How are lcm and gcf alike?
The greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into all the members of a given set of numbers. The least common multiple, or LCM, is the smallest positive integer that all the members of a given set of numbers will divide into evenly with no remainder. Factors go into numbers, numbers go into multiples.
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