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We know the gcf x LCM= AB where A and B are the two numbers.

So the product of the two number we seek is 196

7 and 28 have a product of 196 and the gcf of 7 and 28 is 7.

The LCM of 28 and 7 is 28.

So the two numbers are 7 and 28.

( I started out by dividing 196 by 7 to get the 28)

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โˆ™ 2011-09-13 14:44:51
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Q: What two numbers have a gcf of 7 and LCM of 28?
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