What is the Greatest Common Factor of 9780 and 9798?

Greatest common factor (GCF) of 9780 and 9798 is 6.

GCF(9780,9798) = 6

We will now calculate the prime factors of 9780 and 9798, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9780 and 9798.

How to find the GCF of 9780 and 9798?

We will first find the prime factorization of 9780 and 9798. After we will calculate the factors of 9780 and 9798 and find the biggest common factor number .

Step-1: Prime Factorization of 9780

Prime factors of 9780 are 2, 3, 5, 163. Prime factorization of 9780 in exponential form is:

9780 = 2² × 3¹ × 5¹ × 163¹

Step-2: Prime Factorization of 9798

Prime factors of 9798 are 2, 3, 23, 71. Prime factorization of 9798 in exponential form is:

9798 = 2¹ × 3¹ × 23¹ × 71¹

Step-3: Factors of 9780

List of positive integer factors of 9780 that divides 9780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890

Step-4: Factors of 9798

List of positive integer factors of 9798 that divides 9780 without a remainder.

1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 3266, 4899

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9780 and 9798. The biggest common factor number is the GCF number.
So the greatest common factor 9780 and 9798 is 6.

Also check out the Least Common Multiple of 9780 and 9798