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To find the greatest common factor (GCF) of 549 and 1220, you need to list the factors of each number. The factors of 549 are 1, 3, 7, 61, 183, and 549. The factors of 1220 are 1, 2, 4, 5, 10, 61, 122, 244, 305, 610, and 1220. The GCF is the largest number that appears in both lists, which in this case is 61. Therefore, the GCF of 549 and 1220 is 61.

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THE GCF of 549 and 1220 is 61.

The factors of 1220 are 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, and 1220

The factors of 549 are 1, 3, 9, 61, 183, and 549

GCF (1220, 549) = 61

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Wiki User

8y ago
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Q: What is the greatest common factor of 549 and 1220?
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