What is the Greatest Common Factor of 82020 and 82040?

Greatest common factor (GCF) of 82020 and 82040 is 20.

GCF(82020,82040) = 20

We will now calculate the prime factors of 82020 and 82040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82020 and 82040.

How to find the GCF of 82020 and 82040?

We will first find the prime factorization of 82020 and 82040. After we will calculate the factors of 82020 and 82040 and find the biggest common factor number .

Step-1: Prime Factorization of 82020

Prime factors of 82020 are 2, 3, 5, 1367. Prime factorization of 82020 in exponential form is:

82020 = 2² × 3¹ × 5¹ × 1367¹

Step-2: Prime Factorization of 82040

Prime factors of 82040 are 2, 5, 7, 293. Prime factorization of 82040 in exponential form is:

82040 = 2³ × 5¹ × 7¹ × 293¹

Step-3: Factors of 82020

List of positive integer factors of 82020 that divides 82020 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1367, 2734, 4101, 5468, 6835, 8202, 13670, 16404, 20505, 27340, 41010

Step-4: Factors of 82040

List of positive integer factors of 82040 that divides 82020 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1172, 1465, 2051, 2344, 2930, 4102, 5860, 8204, 10255, 11720, 16408, 20510, 41020

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82020 and 82040. The biggest common factor number is the GCF number.
So the greatest common factor 82020 and 82040 is 20.

Also check out the Least Common Multiple of 82020 and 82040