What is the Greatest Common Factor of 82740 and 82760?

Greatest common factor (GCF) of 82740 and 82760 is 20.

GCF(82740,82760) = 20

We will now calculate the prime factors of 82740 and 82760, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82740 and 82760.

How to find the GCF of 82740 and 82760?

We will first find the prime factorization of 82740 and 82760. After we will calculate the factors of 82740 and 82760 and find the biggest common factor number .

Step-1: Prime Factorization of 82740

Prime factors of 82740 are 2, 3, 5, 7, 197. Prime factorization of 82740 in exponential form is:

82740 = 2² × 3¹ × 5¹ × 7¹ × 197¹

Step-2: Prime Factorization of 82760

Prime factors of 82760 are 2, 5, 2069. Prime factorization of 82760 in exponential form is:

82760 = 2³ × 5¹ × 2069¹

Step-3: Factors of 82740

List of positive integer factors of 82740 that divides 82740 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 985, 1182, 1379, 1970, 2364, 2758, 2955, 3940, 4137, 5516, 5910, 6895, 8274, 11820, 13790, 16548, 20685, 27580, 41370

Step-4: Factors of 82760

List of positive integer factors of 82760 that divides 82740 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2069, 4138, 8276, 10345, 16552, 20690, 41380

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82740 and 82760. The biggest common factor number is the GCF number.
So the greatest common factor 82740 and 82760 is 20.

Also check out the Least Common Multiple of 82740 and 82760