I am a common factor of 48 and 54. I am a multiple of 2 and 6. I am greater than 5. What number am I?
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
Highest common factor of 48 and 54: 6
Multiples of 2: 2, 4, 6
Multiples of 6: 6
Lowest common multiple of 2 and 6: 6
The number is 6.
Answer(s): 6