Question

What is the GCs of 63 and 42

Answer 1

Answer:

Greatest common factor (GCF) of 42 and 63 is 21.

Step-1: Prime Factorization of 42

Step-2: Prime Factorization of 63

Step-3: Factors of 42

Step-4: Factors of 63

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42 and 63. The biggest common factor number is the GCF number.

So the greatest common factor 42 and 63 is 21.