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Q: What are two numbers whose GCF is 20 and whose LCM is 100?

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The pair of numbers whose GCF is 1 and LCM is 36 is 9 and 4. The numbers should be greater than their GCF and less than their LCM.

The GCF of 6 and 10 is 2.

12 and 66

5 and 75

3 and 360

18 and 81

12 and 216

3 and 360

11 and 5

25 and 100

2 and 24 satisfy that request. So do 6 and 8.

6 and 264

the two smallest numbers are 49 and 14

10 and 120

6 and 36

126 and 90 (trial and error gets you the answer)

which pair of numbers from 1 to 30 has the LCM OF 120

The LCM will never be less than the GCF of a set of numbers.

They are: 4 and 25

2 and 30 6 and 10

4 and 40 8 and 20

2 and 24 6 and 8

The product of the GCF and LCM of a pair of numbers is equal to the product of the numbers.

The GCF of 9 and 15 is 3. The LCM is 45.

The product of the GCF and the LCM is the same as the product of the original two numbers. Divide the product of the original numbers by the GCF. The result will be the LCM.