They are: 1,3,9 for 1215 and 18
The LCM is: 6,075
The least common multiple of 1215 , 25 = 6,075
The common factors of 18 are: 1,2,3,6,9,18.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
Common factors of 6 and 18 are 1,2,3,6.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The common factors of 18 and 36 are 18,9,6,3,2,1.
The common factors of 56 and 18 are 1 and 2.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
The common factors of 18 and 20 are 1 and 2.
The common factors of 18 and 28 are 1 and 2