Question

Find the GCF of 56 and 46
a)8
b)2
c)10

Answer 1

Answer: 2

8: 8,16,24,32,40,48,56,64

2: 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60

10: 10,20,30,40,50,60,70,80

As you can see when skip counting 2's you have the numbers 56 and 46. Therefore the GCF of 56 and 46 is 2.

Answer 2

b

Explanation:

8 : 8 16 24 32 40 48---------there is no 46

2: 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56---------there is a 56 and 46

10: 10 20 30 40 50 60---------- there isnt a 56 and 46