Find the GCF of 14abc and 28a^2 b^2 c^3

Question

How do I answer this??

Answer 1

find the highest power of primes and variables that divide both terms:

14abc = 14abc
28a^2b^2c^3 = 14abc * 2abc^2

So, the GCF is 14abc
It divides both terms, but no higher powers of anything will do so.