A common factor of several numbers is a number that can divide evenly into each one of them.
'10' is a common factor of 20 and 30.
'5' is a common factor of 10 and 15.
'3' is a common factor of 6, 9, and 12.
'2' is a common factor of all even numbers.
'1' is a common factor of all whole numbers.
Usually, you are given two numbers like 30 and 42. Then you are asked to list the factors they share (have in common). That answer is 1, 2, 3 and 6. You might be asked for the largest (greatest) of these. The GCF is 6.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. Since 6 and 9 both have 3 as a factor, they share a common factor.
That's the greatest common factor, or GCF.
That's the greatest common factor, or GCF.
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.
The GCF is 3.
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A factor that two or more numbers share is known as a common factor.
That's the greatest common factor, or GCF.
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.
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.
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.
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.
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.
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.
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.
'1' is the only common factor they share.
They will certainly share the factor 1. Other than that, the probability is 1: it is nearly a certainty that that they will not share another common factor..
Both 17 and 11 are prime numbers, meaning the only numbers they can be divided by evenly are themselves and 1. This would mean the greatest common factor they share is 1.