# What are the common factors of 20 and 65?

Factors of 20:

1,2,4,**5**,10,20

Factors of 65:

**1,5**,13,65

The common factors are 1 and 5.

### What are the common factors and greatest common factor of 65?

Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as ??, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more…

### What is the greatest common factor of 40 and 65?

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 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The factors of 65…

### What are the factors and prime factors of 65?

65 is a composite number because it has factors other than 1 and itself. It is not a prime number. The 4 factors of 65 are 1, 5, 13, and 65. The factor pairs of 65 are 1 x 65 and 5 x 13. The proper factors of 65 are 1, 5, and 13 or, if the definition you are using excludes 1, they are 5 and 13. The prime factors of 65 are 5…

### What is the greatest common factor of 39 and 65?

The GCF of 39 and 65 is 13. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 39 are 1, 3, 13, and 39. The factors of 65 are 1, 5, 13, and 65. The common factors are 1 and 13. Therefore, the greatest common factor is 13. The greatest common factor can also be calculated by identifying the common prime…

### What is the greatest common factor of 65 and 185?

Answer: The greatest common factor of 65 and 185 is 5. The common factors of 65 and 185 are 1 and 5. Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common…

### What is the greatest common factor of 15 and 65?

The GCF of 15 and 65 is 5. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 15 are 1, 3, 5, and 15. The factors of 65 are 1, 5, 13, and 65. The common factors are 1 and 5. Therefore, the greatest common factor is 5. The greatest common factor can also be calculated by identifying the common prime…