Answer:
16
Step-by-step explanation:
List of positive integer factors of 48 that divides 48 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24
List of positive integer factors of 64 that divides 48 without a remainder.
1, 2, 4, 8, 16, 32
you can find the greatest common factor (greatest common divisor) of the numbers by matching the biggest common factor of 48 and 64.