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Short answer: There are none.
There is neither a greatest common factor nor common factors of a single number, such as 480, 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 13 and 480 are only 1; the greatest common factor is 1.
The common factors of 81 and 480 are 1 and 3; the greatest common factor is 3.
The common factors of 158 and 480 are 1 and 2; the greatest common factor is 2.
The common factors of 380 and 480 are 1, 2, 4, 5, 10, and 20; the greatest common factor is 20.
The common factors of 480 and 492 are 1, 2, 3, 4, 6, and 12; the greatest common factor is 12.
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What is the greatest common factor for 480 and 640?
The GCF is 160.
What is the greatest common divisor of 150 and 480?
The Greatest Common Divisor of 150, 480 is 30.
What is the greatest common factor of 480?
You need at least two numbers to find a GCF. If that's 4 and 80, the GCF is 4.
How many factors does 480 have?
24 factors.
What is the greatest common factor of 160 and 4800?
To find the greatest common factor (GCF) of 160 and 4800, you need to list the factors of each number. The factors of 160 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, and 160. The factors of 4800 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 320, 480, 960, and 4800. The GCF of 160 and 4800 is the largest number that appears in both lists, which is 80.
