Short answer: There are none.
There is neither a greatest common factor nor common factors of a single number, such as 60, 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 numbers to compare, there are neither common factors nor a greatest common factor
Examples:
The common factors of 18 and 60 are 1, 2, 3, and 6; the greatest common factor is 6.
The common factors of 22 and 60 are 1 and 2; the greatest common factor is 2.
The Greatest Common Factor is 15.
The greatest factors of any positive integers are the integers themselves. The GCF of 28 and 60 is 4.
The greatest common factor is 6
The Greatest Common Factor (GCF) is: 5
The GCF (Greatest Common Factor) is 10 The Factors are: 2,3,5,6, and 10.
There is only one greatest common factor which for 60 and 72 is 12.
The Greatest Common Factor (GCF) is: 1
The common factors are: 1, 2, 5, 10 The Greatest Common Factor: 10
4 is the greatest common factor. The common factors are 1,2, and 4.
24 is not the greatest common factor of any single number. Common factors are the factors that two or more numbers have in common. The greatest common factor is the largest factor that two or more numbers have in common. There cannot be any common factors or a greatest common factor of a single number. There must be at least two number for common factors and a greatest common factor. Example: The greatest common factor of 24 and 48 is 24. The greatest common factor of 60 and 144 is 24. The greatest common factor of 240 and 264 is 24.
The GCF of 40 and 60 is 20 Additional Details The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. The common factors are 1, 2, 4, 5, 10, and 20. Therefore, 20 is the greatest common factor. The greatest common factor can also be determined from the prime factors. The prime factors of 40 are 2, 2, 2, and 5. The prime factors of 60 are 2, 2, 3, and 5. The prime factors they have in common are 2, 2, and 5, so the greatest common factor is 2 x 2 x 5 = 20.
There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share. For example, the greatest common factor of 24 and 30 is 6. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.