GCF and LCM Calculator Logo

What is the Greatest Common Factor of 67521 and 67528?

Greatest common factor (GCF) of 67521 and 67528 is 1.

GCF(67521,67528) = 1

We will now calculate the prime factors of 67521 and 67528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67521 and 67528.

GCF Calculator and
and

How to find the GCF of 67521 and 67528?

We will first find the prime factorization of 67521 and 67528. After we will calculate the factors of 67521 and 67528 and find the biggest common factor number .

Step-1: Prime Factorization of 67521

Prime factors of 67521 are 3, 71, 317. Prime factorization of 67521 in exponential form is:

67521 = 31 × 711 × 3171

Step-2: Prime Factorization of 67528

Prime factors of 67528 are 2, 23, 367. Prime factorization of 67528 in exponential form is:

67528 = 23 × 231 × 3671

Step-3: Factors of 67521

List of positive integer factors of 67521 that divides 67521 without a remainder.

1, 3, 71, 213, 317, 951, 22507

Step-4: Factors of 67528

List of positive integer factors of 67528 that divides 67521 without a remainder.

1, 2, 4, 8, 23, 46, 92, 184, 367, 734, 1468, 2936, 8441, 16882, 33764

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67521 and 67528. The biggest common factor number is the GCF number.
So the greatest common factor 67521 and 67528 is 1.

Also check out the Least Common Multiple of 67521 and 67528