Question

I am a factor of 50 and a multiple of 5

Answer 1

Factors of 50: 1, 2, 5, 10, 25, 50
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ...

The numbers common are: 5, 10, 25, 50
The numbers that are not common are: 1, 2