What is the Greatest Common Factor of 79575 and 79581?

Greatest common factor (GCF) of 79575 and 79581 is 3.

GCF(79575,79581) = 3

We will now calculate the prime factors of 79575 and 79581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79575 and 79581.

How to find the GCF of 79575 and 79581?

We will first find the prime factorization of 79575 and 79581. After we will calculate the factors of 79575 and 79581 and find the biggest common factor number .

Step-1: Prime Factorization of 79575

Prime factors of 79575 are 3, 5, 1061. Prime factorization of 79575 in exponential form is:

79575 = 3¹ × 5² × 1061¹

Step-2: Prime Factorization of 79581

Prime factors of 79581 are 3, 41, 647. Prime factorization of 79581 in exponential form is:

79581 = 3¹ × 41¹ × 647¹

Step-3: Factors of 79575

List of positive integer factors of 79575 that divides 79575 without a remainder.

1, 3, 5, 15, 25, 75, 1061, 3183, 5305, 15915, 26525

Step-4: Factors of 79581

List of positive integer factors of 79581 that divides 79575 without a remainder.

1, 3, 41, 123, 647, 1941, 26527

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79575 and 79581. The biggest common factor number is the GCF number.
So the greatest common factor 79575 and 79581 is 3.

Also check out the Least Common Multiple of 79575 and 79581