I am a common factor of 36 and 48. I am a multiple of 3 and 12. I am greater than 10. What number am I?
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Highest common factor of 36 and 48: 12
Multiples of 3: 3, 6, 9, 12
Multiples of 12: 12
Lowest common multiple of 3 and 12: 12
The number is 12.
Answer(s): 12