Answer:
your answer is 45
Explanation:
The Greatest Common Factor (GCF) for 90 and 135, notation CGF(90,135), is 45.
The factors of 90 are 1,2,3,5,6,9,10,15,18,30,45,90;
The factors of 135 are 1,3,5,9,15,27,45,135.
So, as you can see, the Greatest Common Factor or Divisor is 45, because it is the greatest number that divides evenly into all of them.
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