Well, isn't that just a happy little math problem! The highest common factor (HCF) of 21, 77, and 91 is 7. You see, like painting a beautiful landscape, finding the HCF is about looking for the biggest number that can divide evenly into all of them. Just remember, there are no mistakes in math, only happy little accidents!
7 is the highest common factor of 21, 77 and 91.
7
The GCF is 7.
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
The HCF of 28 77 and 91 is 7, since 7 goes into all the numbers and all the numbers above it dont.
The GCF is 7.
7 is the highest common factor of 21, 77 and 91.
The GCF is 7.
It is: 7
49 = 7 x 7, 21 = 7 x 3, 91 = 7 x 13. HCF is 7
The GCF is 7.
The GCF is 7.