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Q: Find the two smallest numbers whose GCF is 7 and whose LCM is 98?

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10 and 120

The GCF of 6 and 10 is 2.

4 and 9 have a GCF of 1

You need at least two numbers to find a GCF.

To find a pair of numbers with a given GCF, take the GCF number and double it. The pair of numbers is the GCF, and two times the GCF. For instance, two numbers with a GCF of 3 are 3 and 6.

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18 and 81

You need at least two numbers to find a GCF.

10 and 120

A set of numbers whose GCF is one are called co-prime or relatively prime

18 and 9 * * * * * Not so. LCM(9, 18) = 18, not 54. The correct answer is 18, 27.

The GCF of 6 and 10 is 2.

16,24

The 2 smallest numbers that have GCF of 479 are 479 and 958.479 x 1 = 479479 x 2 = 958

20 and 100.GCF is 20, and LCM is 100.

4 and 9 have a GCF of 1

You need at least two numbers to find a GCF.

You need at least two numbers to find a GCF.

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