What is the greatest common factor of 42, 63, and 105?
3 Answers
Greatest Common Factor is
Explanation:
Factors of
Factors of
Factors of
Common factors are just
Greatest Common Factor is
Explanation:
Writing each number as the product of its prime factors is a quick way of finding the HCF and LCM of any number of values.
Therefore the
The greatest common factor of
Explanation:
What is the greatest common factor (GCF)?
That is the largest number that will divide into all those given.
To find it, the smallest prime numbers should be divided into each one. Prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19.
Looking at
Each division results in the same number, so that is the GCF.