What is the Greatest Common Factor of 67557 and 67571?

Greatest common factor (GCF) of 67557 and 67571 is 7.

GCF(67557,67571) = 7

We will now calculate the prime factors of 67557 and 67571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67557 and 67571.

How to find the GCF of 67557 and 67571?

We will first find the prime factorization of 67557 and 67571. After we will calculate the factors of 67557 and 67571 and find the biggest common factor number .

Step-1: Prime Factorization of 67557

Prime factors of 67557 are 3, 7, 3217. Prime factorization of 67557 in exponential form is:

67557 = 3¹ × 7¹ × 3217¹

Step-2: Prime Factorization of 67571

Prime factors of 67571 are 7, 197. Prime factorization of 67571 in exponential form is:

67571 = 7³ × 197¹

Step-3: Factors of 67557

List of positive integer factors of 67557 that divides 67557 without a remainder.

1, 3, 7, 21, 3217, 9651, 22519

Step-4: Factors of 67571

List of positive integer factors of 67571 that divides 67557 without a remainder.

1, 7, 49, 197, 343, 1379, 9653

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67557 and 67571. The biggest common factor number is the GCF number.
So the greatest common factor 67557 and 67571 is 7.

Also check out the Least Common Multiple of 67557 and 67571