What is the Greatest Common Factor of 87191 and 87209?

Greatest common factor (GCF) of 87191 and 87209 is 1.

GCF(87191,87209) = 1

We will now calculate the prime factors of 87191 and 87209, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87191 and 87209.

How to find the GCF of 87191 and 87209?

We will first find the prime factorization of 87191 and 87209. After we will calculate the factors of 87191 and 87209 and find the biggest common factor number .

Step-1: Prime Factorization of 87191

Prime factors of 87191 are 13, 19, 353. Prime factorization of 87191 in exponential form is:

87191 = 13¹ × 19¹ × 353¹

Step-2: Prime Factorization of 87209

Prime factors of 87209 are 37, 2357. Prime factorization of 87209 in exponential form is:

87209 = 37¹ × 2357¹

Step-3: Factors of 87191

List of positive integer factors of 87191 that divides 87191 without a remainder.

1, 13, 19, 247, 353, 4589, 6707

Step-4: Factors of 87209

List of positive integer factors of 87209 that divides 87191 without a remainder.

1, 37, 2357

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87191 and 87209. The biggest common factor number is the GCF number.
So the greatest common factor 87191 and 87209 is 1.

Also check out the Least Common Multiple of 87191 and 87209