What is the Greatest Common Factor of 72191 and 72197?

Greatest common factor (GCF) of 72191 and 72197 is 1.

GCF(72191,72197) = 1

We will now calculate the prime factors of 72191 and 72197, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72191 and 72197.

How to find the GCF of 72191 and 72197?

We will first find the prime factorization of 72191 and 72197. After we will calculate the factors of 72191 and 72197 and find the biggest common factor number .

Step-1: Prime Factorization of 72191

Prime factors of 72191 are 7, 10313. Prime factorization of 72191 in exponential form is:

72191 = 7¹ × 10313¹

Step-2: Prime Factorization of 72197

Prime factors of 72197 are 23, 43, 73. Prime factorization of 72197 in exponential form is:

72197 = 23¹ × 43¹ × 73¹

Step-3: Factors of 72191

List of positive integer factors of 72191 that divides 72191 without a remainder.

1, 7, 10313

Step-4: Factors of 72197

List of positive integer factors of 72197 that divides 72191 without a remainder.

1, 23, 43, 73, 989, 1679, 3139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72191 and 72197. The biggest common factor number is the GCF number.
So the greatest common factor 72191 and 72197 is 1.

Also check out the Least Common Multiple of 72191 and 72197