The positive common factors of 28 and 35 are:
1 and 7.
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To find common factors, find all the factors of each number. Then a common factor is any number that appears in both lists. Factors of 56 1, 2, 4, 7, 8, 14, 28, 56 Factors of 35 1, 5, 7, 35 Therefore the common factors of 56 and 35 are 1 and 7.
Greatest common factor= 7 The greatest common factor is the factor that all these numbers have in common. It helps to make a list of all the number's factors. 28- 2, 2, 7 35- 5, 7 42- 2, 3, 7 All of these numbers have 7 as a factor, therfore 7 is the greatest common factor
The greatest common factor (GCF) of 28, 35, and 70 is 7. To find the GCF, you can list the factors of each number and identify the highest factor that is common among all three numbers. The factors of 28 are 1, 2, 4, 7, 14, and 28. The factors of 35 are 1, 5, 7, 35. The factors of 70 are 1, 2, 5, 7, 10, 14, 35, and 70. The highest common factor among all three numbers is 7.
7 is the gcf of 28 35 and 42
The factors for 25 are 1,5, and 25 The factors for 35 are 1,5, and 35 The common factors for 25 and 35 are 1, and 5