Answer:

15 : 1, 3, 5, 15

45 : 1, 3, 5, 9, 15, 45

the GCF is 15

Step-by-step explanation:

hope it helps po

Answer:

15 = 1x15, 3x5

45 = 1x45, 3x15, 5x9, 9x5

GCF

15: 15

45:15