what is the greatest common factor of 30 and 90

A:6
B:18
C:36
D:180



make sure to do the process of elimination, And the answer you choose make sure to explain why you choose I WILL

GIVE BRAINELIST AND IT WORTH ALOT PLEASE IM GOING ON VACATION TOMORROW​W I'VE BEEN STUCK ON THIS FOR DAYS HELP


Respuesta :

the greatest gcf is 36
The greatest common factor is 6. 180 and 36 do not go into either 30 or 90, and 18 does not go into 30, so 6 is the greatest common factor.