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Since 20 is a factor of 60, it is automatically the GCF. You can't find a factor of 20 larger than 20.

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9y ago
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11y ago

Because 20 is the largest number that divides into both 20 and 100 evenly with no remainder.

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14y ago

Because 20 is the largest number that is divisible by both 20 and 60.

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11y ago

Yes, that is correct.

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9y ago

The GCF is 4.

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Q: Why is the greatest common factor of 20 and 100 20?
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