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The GCF of 18, 24 and 64 is 2.

To find the GCF of three numbers you first need to break them down into their prime factors:

18=2x3x3

24=2x2x2x3

64=2x2x2x2x2x2

The next step is to identify the common prime factors. The only prime factor which all three numbers have is 2. Therefore the GCF of 18, 24 and 64 is 2.

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9y ago

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