What is the Greatest Common Factor of 55991 and 56009?

Greatest common factor (GCF) of 55991 and 56009 is 1.

GCF(55991,56009) = 1

We will now calculate the prime factors of 55991 and 56009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55991 and 56009.

How to find the GCF of 55991 and 56009?

We will first find the prime factorization of 55991 and 56009. After we will calculate the factors of 55991 and 56009 and find the biggest common factor number .

Step-1: Prime Factorization of 55991

Prime factors of 55991 are 13, 59, 73. Prime factorization of 55991 in exponential form is:

55991 = 13¹ × 59¹ × 73¹

Step-2: Prime Factorization of 56009

Prime factors of 56009 are 56009. Prime factorization of 56009 in exponential form is:

56009 = 56009¹

Step-3: Factors of 55991

List of positive integer factors of 55991 that divides 55991 without a remainder.

1, 13, 59, 73, 767, 949, 4307

Step-4: Factors of 56009

List of positive integer factors of 56009 that divides 55991 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55991 and 56009. The biggest common factor number is the GCF number.
So the greatest common factor 55991 and 56009 is 1.

Also check out the Least Common Multiple of 55991 and 56009