Which pair of numbers shows a common factor and a common multiple of 15 and 18

Question 3 options:

3 and 60


3 and 90


5 and 180


6 and 270

Respuesta :

ur common factor is 3....because 3 goes into both 15 and 18 evenly
ur common multiple will be 90....because both numbers have multiples of 90....15 * 6 = 90 and 18 * 5 = 90

so ur answer is : 3 and 90