What is the Greatest Common Factor of 67905 and 67911?

Greatest common factor (GCF) of 67905 and 67911 is 3.

GCF(67905,67911) = 3

We will now calculate the prime factors of 67905 and 67911, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67905 and 67911.

How to find the GCF of 67905 and 67911?

We will first find the prime factorization of 67905 and 67911. After we will calculate the factors of 67905 and 67911 and find the biggest common factor number .

Step-1: Prime Factorization of 67905

Prime factors of 67905 are 3, 5, 503. Prime factorization of 67905 in exponential form is:

67905 = 3³ × 5¹ × 503¹

Step-2: Prime Factorization of 67911

Prime factors of 67911 are 3, 22637. Prime factorization of 67911 in exponential form is:

67911 = 3¹ × 22637¹

Step-3: Factors of 67905

List of positive integer factors of 67905 that divides 67905 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 503, 1509, 2515, 4527, 7545, 13581, 22635

Step-4: Factors of 67911

List of positive integer factors of 67911 that divides 67905 without a remainder.

1, 3, 22637

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67905 and 67911. The biggest common factor number is the GCF number.
So the greatest common factor 67905 and 67911 is 3.

Also check out the Least Common Multiple of 67905 and 67911