What is the Greatest Common Factor of 79540 and 79556?

Greatest common factor (GCF) of 79540 and 79556 is 4.

GCF(79540,79556) = 4

We will now calculate the prime factors of 79540 and 79556, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79540 and 79556.

How to find the GCF of 79540 and 79556?

We will first find the prime factorization of 79540 and 79556. After we will calculate the factors of 79540 and 79556 and find the biggest common factor number .

Step-1: Prime Factorization of 79540

Prime factors of 79540 are 2, 5, 41, 97. Prime factorization of 79540 in exponential form is:

79540 = 2² × 5¹ × 41¹ × 97¹

Step-2: Prime Factorization of 79556

Prime factors of 79556 are 2, 19889. Prime factorization of 79556 in exponential form is:

79556 = 2² × 19889¹

Step-3: Factors of 79540

List of positive integer factors of 79540 that divides 79540 without a remainder.

1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 39770

Step-4: Factors of 79556

List of positive integer factors of 79556 that divides 79540 without a remainder.

1, 2, 4, 19889, 39778

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79540 and 79556. The biggest common factor number is the GCF number.
So the greatest common factor 79540 and 79556 is 4.

Also check out the Least Common Multiple of 79540 and 79556