What is the Greatest Common Factor of 82420 and 82430?

Greatest common factor (GCF) of 82420 and 82430 is 10.

GCF(82420,82430) = 10

We will now calculate the prime factors of 82420 and 82430, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82420 and 82430.

How to find the GCF of 82420 and 82430?

We will first find the prime factorization of 82420 and 82430. After we will calculate the factors of 82420 and 82430 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 82430

Prime factors of 82430 are 2, 5, 8243. Prime factorization of 82430 in exponential form is:

82430 = 2¹ × 5¹ × 8243¹

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 82430

List of positive integer factors of 82430 that divides 82420 without a remainder.

1, 2, 5, 10, 8243, 16486, 41215

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82420 and 82430. The biggest common factor number is the GCF number.
So the greatest common factor 82420 and 82430 is 10.

Also check out the Least Common Multiple of 82420 and 82430