1, 3, 13, 39
1 and 39 3 and 13
If 39 had any even factor then that 39 would be a multiple of an even factor. Therefore, 39 would be a multiple of 2 and so 39 would be even. It is not and so all factors of 39 are odd.
All the factor pairs for 39 are:1 x 39and 3 x 13
Besides 39 and 1, what is one factor of 39?
What IS the common factor of 39 13
39 is.
Yes.
Since 39 is a factor of 117, it is automatically the GCF.
Since 13 is a factor of 39, all of its factors are common.
The factors of 39 are 1, 3, 13 and 39.
The factor pairs of 39 are 1 x 39 and 3 x 13
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.