What is the Greatest Common Factor of 55991 and 55997?

Greatest common factor (GCF) of 55991 and 55997 is 1.

GCF(55991,55997) = 1

We will now calculate the prime factors of 55991 and 55997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55991 and 55997.

How to find the GCF of 55991 and 55997?

We will first find the prime factorization of 55991 and 55997. After we will calculate the factors of 55991 and 55997 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 55997

Prime factors of 55997 are 55997. Prime factorization of 55997 in exponential form is:

55997 = 55997¹

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 55997

List of positive integer factors of 55997 that divides 55991 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55991 and 55997. The biggest common factor number is the GCF number.
So the greatest common factor 55991 and 55997 is 1.

Also check out the Least Common Multiple of 55991 and 55997