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Q: What are the two numbers whose GCF is one?

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Two numbers whose GCF is one are relatively prime or co-prime

The GCF of any two numbers can only be one number: it cannot be 30 as well as 90.

That happens when one of the numbers is a multiple of the other.

The GCF of 6 and 10 is 2.

15 and 30

10,20

30 and 60

21 and 42.

4 and 9 have a GCF of 1

12 and 66

the two smallest numbers are 49 and 14

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

12 and 216

4 and 8.

No; two numbers can have only 1 GCF.

6 and 264

No need to answer it anymore.

50 and 30

12 and 24, among others.

They could be 12 and 18

11 and 5

16 and 24

When you are trying to find the GCF of two numbers and one of the numbers is a multiple of the other, the GCF will be the smaller of the two numbers. The GCF of 3 and 9 is 3.

The GCF of 24 and 36 is 12. The GCF of 60 and 96 is 12. The GCF of 12 and 120 is 12.

When one of the numbers is a factor of the other.