Answer:
2
Step-by-step explanation:
6- 1,2,3,4,5,6,7,8,9,10
10- 1,2,3,4,5,6,7,8,9,10
12- 1,2,3,4,5,6,7,8,9,10
meaning only 2 can be divided by the three and is also it's gcf.
hope it helped, pa brainliest pls. Ty!