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The common factor is 70.
Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, and 140

Factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, and 210.

The GCF (greatest common factor) is 70

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7y ago
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12y ago

70

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Q: What is the greatest common factor of 210 and 140?
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