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A factor of a number is any number which the original number can divide evenly into (that is, it can divide without leaving a remainder or fraction). Therefore, the factors of 3 are 1 and 3. The factors of 5 are 1 and 5. A common factor is a factor which is present in both lists. In this case, the only common factor of 3 and 5 is 1. Thus the greatest common factor of 3 and 5 is 1.
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers.
The GCF of any set of numbers containing two (or more) coprimes is 1. So YES, 1 can be a GCF.
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What is the greatest common factor of 18 and 85?
The greatest common factor of 18 and 55 is 1.
What is the greatest common factor of 31 and 46?
The greatest common factor of 31 and 46 is 1.
The greatest common factor of 30 and 11?
The Greatest Common Factor of 3, 11 is 1.
What is the greatest common factor of 53 and 34?
The Greatest Common Factor (GCF) is: 1
What is the Greatest Common Factor of 20 and -1?
21
What is the greatest common factor of 18 and 85?
The greatest common factor of 18 and 55 is 1.
What is the greatest common factor of 52 and 81?
The greatest common factor of 52 and 81 is 1
What is the greatest common factor of 31 and 46?
The greatest common factor of 31 and 46 is 1.
The greatest common factor of 30 and 11?
The Greatest Common Factor of 3, 11 is 1.
What is the greatest common factor of 1-x3?
The greatest common factor of 1-x3 is 1, dummy.
What is the greatest common factor of 1 and 12?
The Greatest Common Factor (GCF) of 1 and 12 is 1
What is the greatest common factor of 662 and 39?
The GCF is 1.
What is the greatest common factor of 53 and 34?
The Greatest Common Factor (GCF) is: 1
What is the Greatest Common Factor of 20 and -1?
21
What is the greatest common factor of 100 and 59?
1 is the greatest common factor.
What is the greatest common factor of 27 and 2?
The greatest common factor is 1
What are the common factors and greatest common factor of 1?
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 numbers to compare, there are neither common factors nor a greatest common factor. Examples: The common factors of 1 and 3 are only 1; the greatest common factor is 1. The common factors of 1 and 111 are only 1; the greatest common factor is 1. Note: Since the only factor of 1 is 1, when finding the greatest common factor of 1 and another number, the only possible common factor and greatest common factor is 1.
