What is the Greatest Common Factor of 26415 and 26421?

Greatest common factor (GCF) of 26415 and 26421 is 3.

GCF(26415,26421) = 3

We will now calculate the prime factors of 26415 and 26421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26415 and 26421.

How to find the GCF of 26415 and 26421?

We will first find the prime factorization of 26415 and 26421. After we will calculate the factors of 26415 and 26421 and find the biggest common factor number .

Step-1: Prime Factorization of 26415

Prime factors of 26415 are 3, 5, 587. Prime factorization of 26415 in exponential form is:

26415 = 3² × 5¹ × 587¹

Step-2: Prime Factorization of 26421

Prime factors of 26421 are 3, 8807. Prime factorization of 26421 in exponential form is:

26421 = 3¹ × 8807¹

Step-3: Factors of 26415

List of positive integer factors of 26415 that divides 26415 without a remainder.

1, 3, 5, 9, 15, 45, 587, 1761, 2935, 5283, 8805

Step-4: Factors of 26421

List of positive integer factors of 26421 that divides 26415 without a remainder.

1, 3, 8807

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26415 and 26421. The biggest common factor number is the GCF number.
So the greatest common factor 26415 and 26421 is 3.

Also check out the Least Common Multiple of 26415 and 26421