42 prime factors -----> 2,3,7
105 prime factors -----> 3,5,7
There is 3 and 7 in common :
There fore 3*7 = 21;
21 is the greatest common factor.
The GCF is 6.
It is: 6
greatest common factor of 42 112 and 105 is 7.
The Greatest Common Factor of 105, 63, 42: 21
The greatest common factor of 42, 105 and 112 is 7.
greatest common factor of 42 112 105 is 7.
Answer: 7.
21
The only common factor of 42 112 105 is 7.
The Greatest Common Factor is 21
The GCF is 21.
The GCF is 7.