What is the Greatest Common Factor of 51609 and 51621?

Greatest common factor (GCF) of 51609 and 51621 is 3.

GCF(51609,51621) = 3

We will now calculate the prime factors of 51609 and 51621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51609 and 51621.

How to find the GCF of 51609 and 51621?

We will first find the prime factorization of 51609 and 51621. After we will calculate the factors of 51609 and 51621 and find the biggest common factor number .

Step-1: Prime Factorization of 51609

Prime factors of 51609 are 3, 17203. Prime factorization of 51609 in exponential form is:

51609 = 3¹ × 17203¹

Step-2: Prime Factorization of 51621

Prime factors of 51621 are 3, 17207. Prime factorization of 51621 in exponential form is:

51621 = 3¹ × 17207¹

Step-3: Factors of 51609

List of positive integer factors of 51609 that divides 51609 without a remainder.

1, 3, 17203

Step-4: Factors of 51621

List of positive integer factors of 51621 that divides 51609 without a remainder.

1, 3, 17207

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51609 and 51621. The biggest common factor number is the GCF number.
So the greatest common factor 51609 and 51621 is 3.

Also check out the Least Common Multiple of 51609 and 51621