What is the Greatest Common Factor of 27621 and 27628?

Greatest common factor (GCF) of 27621 and 27628 is 1.

GCF(27621,27628) = 1

We will now calculate the prime factors of 27621 and 27628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27621 and 27628.

How to find the GCF of 27621 and 27628?

We will first find the prime factorization of 27621 and 27628. After we will calculate the factors of 27621 and 27628 and find the biggest common factor number .

Step-1: Prime Factorization of 27621

Prime factors of 27621 are 3, 11, 31. Prime factorization of 27621 in exponential form is:

27621 = 3⁴ × 11¹ × 31¹

Step-2: Prime Factorization of 27628

Prime factors of 27628 are 2, 6907. Prime factorization of 27628 in exponential form is:

27628 = 2² × 6907¹

Step-3: Factors of 27621

List of positive integer factors of 27621 that divides 27621 without a remainder.

1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 837, 891, 1023, 2511, 3069, 9207

Step-4: Factors of 27628

List of positive integer factors of 27628 that divides 27621 without a remainder.

1, 2, 4, 6907, 13814

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27621 and 27628. The biggest common factor number is the GCF number.
So the greatest common factor 27621 and 27628 is 1.

Also check out the Least Common Multiple of 27621 and 27628