Answer:
The GCF of 15 and 16 is 1
Step-by-step explanation:
They don't have any other number they are divisible by other than 1
Answer: GCF = 1
15=
- 3 x 5
- 1 x 15
16=
- 1 x 16
- 2 x 8
- 4 x 4
