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Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

Factors of 819: 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819

GCF (40, 819) = 1

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11y ago
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8y ago

The GCF of 409 and 818 is 409.

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Q: What is the greatest common factor of 40 and 819?
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