Prime factorization of:
195= 3 x 5 x 13
273= 3 x .....13 x 7
===============
GCF=3 x .....13
GCF=39
Chat with our AI personalities
The GCF is: 91
The GCF is 65.
39, 78, 117, 156, 195, 234, 273, 312, 351, 390
It is 273/1It is 273/1It is 273/1It is 273/1
When finding the GCF of a set of numbers, firstly express each number as a product of its prime factors. 117 = 3 x 3 x 13 195 = 3 x 5 x 13 The factors that each number have in common are 3 and 13. The Greatest Common Factor is therefore 3 x 13 = 39.