johnnyvac249 johnnyvac249 06-05-2020 Mathematics contestada Find the GFC of 56 and 84. A factor tree for 84 is given below. A factor tree for 84. 84 breaks into 21 and 4, 21 breaks into 7 and 3, and 4 breaks into 2 and 2. The GCF of 84 and 56 is .