What is the Greatest Common Factor of 82420 and 82439?

Greatest common factor (GCF) of 82420 and 82439 is 1.

GCF(82420,82439) = 1

We will now calculate the prime factors of 82420 and 82439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82420 and 82439.

How to find the GCF of 82420 and 82439?

We will first find the prime factorization of 82420 and 82439. After we will calculate the factors of 82420 and 82439 and find the biggest common factor number .

Step-1: Prime Factorization of 82420

Prime factors of 82420 are 2, 5, 13, 317. Prime factorization of 82420 in exponential form is:

82420 = 2² × 5¹ × 13¹ × 317¹

Step-2: Prime Factorization of 82439

Prime factors of 82439 are 7, 11777. Prime factorization of 82439 in exponential form is:

82439 = 7¹ × 11777¹

Step-3: Factors of 82420

List of positive integer factors of 82420 that divides 82420 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 4121, 6340, 8242, 16484, 20605, 41210

Step-4: Factors of 82439

List of positive integer factors of 82439 that divides 82420 without a remainder.

1, 7, 11777

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82420 and 82439. The biggest common factor number is the GCF number.
So the greatest common factor 82420 and 82439 is 1.

Also check out the Least Common Multiple of 82420 and 82439