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The factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40

64 is not divisible by 10, 20 or 40. So 8 is the greatest common factor of 40 and 64.

Then testing 8 against 96, we find that it is a factor (8 x 12 = 96)

Therefore 8 is the greatest common factor of these three numbers.

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14y ago

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The GCF is 8.

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9y ago
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Q: What is the greatest common factor of 40 96 and128?
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