The Greatest Common Factor (GCF) of 90 and 180 is 90. To find the GCF, you can list the factors of each number and determine the largest number that divides both numbers evenly. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, and 180. The largest number that appears in both lists is 90, making it the Greatest Common Factor.
Chat with our AI personalities
90 and 180 have a GCF of 90.
GCF = 15
The GCF is 18.
The GCF is 90.
Since 15 is a factor of 180, it is automatically the GCF of this problem.