What is the Greatest Common Factor of 66898 and 66911?

Greatest common factor (GCF) of 66898 and 66911 is 13.

GCF(66898,66911) = 13

We will now calculate the prime factors of 66898 and 66911, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66898 and 66911.

How to find the GCF of 66898 and 66911?

We will first find the prime factorization of 66898 and 66911. After we will calculate the factors of 66898 and 66911 and find the biggest common factor number .

Step-1: Prime Factorization of 66898

Prime factors of 66898 are 2, 13, 31, 83. Prime factorization of 66898 in exponential form is:

66898 = 2¹ × 13¹ × 31¹ × 83¹

Step-2: Prime Factorization of 66911

Prime factors of 66911 are 13, 5147. Prime factorization of 66911 in exponential form is:

66911 = 13¹ × 5147¹

Step-3: Factors of 66898

List of positive integer factors of 66898 that divides 66898 without a remainder.

1, 2, 13, 26, 31, 62, 83, 166, 403, 806, 1079, 2158, 2573, 5146, 33449

Step-4: Factors of 66911

List of positive integer factors of 66911 that divides 66898 without a remainder.

1, 13, 5147

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66898 and 66911. The biggest common factor number is the GCF number.
So the greatest common factor 66898 and 66911 is 13.

Also check out the Least Common Multiple of 66898 and 66911