List factors of 60 which are multiplires of 3?

The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. Among these, the factors that are also multiples of 3 are 3, 6, 12, 15, 30, and 60. Therefore, the factors of 60 that are multiples of 3 are 3, 6, 12, 15, 30, and 60.