Q: Two numbers whose GCF is 4 and LCM is 40?

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

12 and 66

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

The GCF of two numbers multiplied by their LCM will equal the product of the original numbers. If you know the GCF, divide it into the product of the two. The result will be the LCM. If the GCF of two numbers is 1, the LCM is their product.

2 and 24 6 and 8

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

The GCF of 6 and 10 is 2.

12 and 66

the two smallest numbers are 49 and 14

12 and 216

11 and 5

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

The GCF of two numbers multiplied by their LCM will equal the product of the original numbers. If you know the GCF, divide it into the product of the two. The result will be the LCM. If the GCF of two numbers is 1, the LCM is their product.

2 and 30 6 and 10

2 and 24 6 and 8

No, the only way the GCF and LCM of two numbers can be the same is if the numbers are the same.

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