# math

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The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the two numbers? How do you know?

• math -

nice question

the possible 2 numbers were
1 180
2 90
3 60
4 45
5 36
6 30
9 20
12 15

of those only the 3 60 pair has a LCM of 60
the GCF of the pair is 3

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