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5 is a positive common factor of 15 and 10
Factors refer to integers, not decimals.
1 and 5, the GCF.
There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
15 and 30 are factors of 60. The factors of 60 include the factors of 15 and 30. 45 is not a factor of 60.
Five common factors.
1. That is to say, they have no prime factors in common.
Since 5 is a factor of 15, all of its factors are common.
Just 1.
It is five.
Just 1.
Only 1
1 and 5
420
1 and 5
The greatest common factor is five.
The factors of 15 are:1, 3, 5, 15The factors of 35 are:1, 5, 7, 35The common factors are: 1, 5