Respuesta :

The Gcf of 45,18 and 39 is 3
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The GCF is the greatest common factor that go into the three numbers 45, 18 and 39,

3 into 45 is 15
3 into 18 is 6
3 into 39 is 13

There is no other number that can go simultaneously into 15, 6 and 13.

So the GCF of 45, 18 and 39 is 3.

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