What is the Greatest Common Factor of 67820 and 67838?

Greatest common factor (GCF) of 67820 and 67838 is 2.

GCF(67820,67838) = 2

We will now calculate the prime factors of 67820 and 67838, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67820 and 67838.

How to find the GCF of 67820 and 67838?

We will first find the prime factorization of 67820 and 67838. After we will calculate the factors of 67820 and 67838 and find the biggest common factor number .

Step-1: Prime Factorization of 67820

Prime factors of 67820 are 2, 5, 3391. Prime factorization of 67820 in exponential form is:

67820 = 2² × 5¹ × 3391¹

Step-2: Prime Factorization of 67838

Prime factors of 67838 are 2, 107, 317. Prime factorization of 67838 in exponential form is:

67838 = 2¹ × 107¹ × 317¹

Step-3: Factors of 67820

List of positive integer factors of 67820 that divides 67820 without a remainder.

1, 2, 4, 5, 10, 20, 3391, 6782, 13564, 16955, 33910

Step-4: Factors of 67838

List of positive integer factors of 67838 that divides 67820 without a remainder.

1, 2, 107, 214, 317, 634, 33919

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67820 and 67838. The biggest common factor number is the GCF number.
So the greatest common factor 67820 and 67838 is 2.

Also check out the Least Common Multiple of 67820 and 67838