13 and 19 are both prime numbers. Their only common factor is ' 1 '.
A factor tree of 78: 78 6 x 13 (2x3) x 13 Since 2, 3, and 13 are prime numbers, the factor tree is complete.
There is NO common factor between '13' & '19' , as both these numbers are prime numbers. However, they do have a common MULTIPLE which is 13 X 19 = 247.
As 13 is prime and is not a factor of 24, then they are relatively prime
The greatest common factor of the numbers 117 and 130 is 13.
It can be. 13 is a factor of 26.
The greatest common factor of the numbers 39, 13 and 26 is 13.
Multiples of 13, like 13, 26 and 39.
13, 26, 39 are three numbers with a GCF of 13.
13 or 52
17 and 4 have a difference of 13 and is a factor pair of 68
1 17 and 13 are prime numbers
13 and 26, among others.
13 and 7
13 and 26, among others.
Multiples of 13 like 13, 26, 39 and so on.
19 and 13 are prime numbers. Therefore, the greatest common factor is 1.