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The factors of 30 are:

1, 2, 3, 5, 6, 10, 15, 30

The factors of 140 are:

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

The common factors are:

1, 2, 5, 10

The Greatest Common Factor (GCF) is:

10

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11y ago
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8y ago

Since 30 is a factor of 240, it is automatically the GCF.

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8y ago

The GCF is 5.

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8y ago

The GCF is 10.

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Q: What is the GCF of 30 and 240?
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