Since 18 is a factor of 72, it is automatically the GCF.
Since 72 is a factor of 144, it is automatically the GCF.
The GCF is 4.
Since 72 is a factor of 144, it is automatically the GCF of this problem.
Since 18 is a factor of 72, all of its factors are common.
The Greatest Common Factor is 18
Since 18 is a factor of 72, it is automatically the GCF.
The greatest common factor is 18.
Since 18 is a factor of 72, it is automatically the GCF.
Since 18 is a factor of 72, it is automatically the GCF.
The greatest common factor of the numbers 18, 30 and 72 is 6.
Since 18 is a factor of 72, it is automatically the GCF of this problem.
It is: 18