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The greatest common factor of 30 and 120 is 30

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

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7y ago
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14y ago

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

The greatest common factor of 32 and 120 is 8

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8y ago

Since 30 is a factor of 180, it is automatically the GCF.

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8y ago

Or, more likely, the GCF of 12, 15, 20 and 30 is 1.

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11y ago
  • Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
  • Factors of 120: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
  • GCF (30, 120) = 30
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8y ago

Since 3 is a factor of 120, it is automatically the GCF.

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12y ago

Prime factorization of 121520 = 24x5x72x31

Prime factorization of 30 = 2x3x5

GCF = 2x5 = 10

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11y ago

The GCF is 6.

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12y ago

GCF(120, 30) = 30

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9y ago

GCF(3, 120) = 3.

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Q: What is the greatest common factor of 30 and 180?
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