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The greatest common factor of 24 and 30 is 6

Method 1: Listing Factors

List all the factors of both numbers and the highest factor that is the same is the greatest common factor.

Factors of 24: 1, 2, 3, 4, 6, 8, 12

Factors of 30: 1, 2, 3, 5, 6, 10, 15

The greatest common factor is 6.

Method 2: Prime Factorization

Find the prime factorization of each number. The prime numbers that the numbers all share multiply to the great common factor.

24=2*2*2*3

30=2*3*5

2*3=6

24 and 36 share one two and one three. Therefore, the greatest common factor is 6.

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6y ago
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13y ago

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30

The common factors are: 1, 2, 3, 6

The Greatest Common Factor (GCF) is: 6

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11y ago

The GCF of 30 and 24 is 6.

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13y ago

GCF(24, 30) = 6

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13y ago

6

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Q: What is the common factor and the greatest common factor of 24 and 30?
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