Find the common factors of 12, 18 and 15.
Step 1: Determining the factors of the given numbers
Factors of 12:1,2,3,4,6,12
Factors of 18:1,2,3,6,9,18
Factors of 15:1,3,5,15
Step 2: Finding the common factors
Common factors of 12,18,15:1,3
Hence, the required answer are 1and3 .
Find the common factors of:
6,12 and 18