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Best Answer

21 = 3 x 7

30 = 2 x 3 x 5

44 = 2 x 2 x 11

GCF = 1

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12y ago

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Wiki User

8y ago

The greatest factor of the three numbers is 44 which is a factor of 44. The greatest common factor is 1.

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Wiki User

8y ago

The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

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Wiki User

8y ago

The GCF of 21, 30, and 44 is 1.

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Wiki User

15y ago

2.

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Q: What is the greatest common factor of 21 30 and 44?
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