Let GCF(a, b) be the abbreviation for the greatest common factor of a and b, and let LCM(c, d) be the abbreviation for the least common multiple of c and d. What is GCF(LCM(8, 14), LCM(7, 12))?
GCF(LCM(8, 14), LCM(7, 12))
GCF[56, 84] = 28