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The greatest common factor is 19
The greatest common factor (GCF) is 2.
The factors of 12 are:1, 2, 3, 4, 6, 12The factors of 38 are:1, 2, 19, 38The factors of 40 are:1, 2, 4, 5, 8, 10, 20, 40The common factors are:1, 2The Greatest Common Factor (GCF) is:2
The GCF is 2.
A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 38 are 1, 2, 19, and 38. The common factors are 1 and 2. Therefore, the greatest common factor is 2.