Prime factor is a factor that is a prime number.
Prime factors of :
8 : 2 × 2 × 2. Also can be written as

12 : 2 × 2 × 3. Also can be written as

20 : 2 × 2 × 5. Also can be written as

30 : 2 × 3 × 5
56 : 2 × 2 × 2 ×7. Also can be written as

70 : 2 × 5 × 7
You can find all of them by using Factor Tree [ as shown in the picture] or Dividing by prime numbers.
Answer:i guess yes
Step-by-step explanation:
Answer:
1/7
Step-by-step explanation:
so 1/5 divided by 7/5 is 1/5 times 5/7, which is 1/7
It would be a lot easier if you didn't have to show a system of equations.