What is the Greatest Common Factor of 27993 and 28012?

Greatest common factor (GCF) of 27993 and 28012 is 1.

GCF(27993,28012) = 1

We will now calculate the prime factors of 27993 and 28012, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27993 and 28012.

How to find the GCF of 27993 and 28012?

We will first find the prime factorization of 27993 and 28012. After we will calculate the factors of 27993 and 28012 and find the biggest common factor number .

Step-1: Prime Factorization of 27993

Prime factors of 27993 are 3, 7, 31, 43. Prime factorization of 27993 in exponential form is:

27993 = 3¹ × 7¹ × 31¹ × 43¹

Step-2: Prime Factorization of 28012

Prime factors of 28012 are 2, 47, 149. Prime factorization of 28012 in exponential form is:

28012 = 2² × 47¹ × 149¹

Step-3: Factors of 27993

List of positive integer factors of 27993 that divides 27993 without a remainder.

1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 9331

Step-4: Factors of 28012

List of positive integer factors of 28012 that divides 27993 without a remainder.

1, 2, 4, 47, 94, 149, 188, 298, 596, 7003, 14006

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27993 and 28012. The biggest common factor number is the GCF number.
So the greatest common factor 27993 and 28012 is 1.

Also check out the Least Common Multiple of 27993 and 28012