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Hat is the product of the least common multiple and the greatest common factor of $22$ and $48$?

1 Answer

6 votes

Answer:

1056

Explanation:

You want the product of the LCM and the GCF of 22 and 48.

Product

One way to find the LCM of two numbers is to start with their product, then divide out the extra factor:

LCM(A, B) = (A×B)/GCF(A, B)

Since we want the product of the LCM and the GCF, we can start with this and multiply by the GCF:

LCM(A, B) · GCF(A, B) = ((A×B)/GCF(A, B)) · GCF(A, B)

LCM(A, B) · GCF(A, B) = A×B

Using this for the given numbers, we get ...

LCM(22, 48)·GCF(22, 48) = 22·48 = 1056

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Additional comment

If you want to go to the trouble of finding the LCM and GCF, you get ...

22 = 2·11

48 = 2·24

LCM(22, 48) = 2·11·24 = 528

GCF(22, 48) = 2

LCM·GCF = 2·528 = 1056

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