What is the Greatest Common Factor of 78521 and 78528?

Greatest common factor (GCF) of 78521 and 78528 is 1.

GCF(78521,78528) = 1

We will now calculate the prime factors of 78521 and 78528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78521 and 78528.

How to find the GCF of 78521 and 78528?

We will first find the prime factorization of 78521 and 78528. After we will calculate the factors of 78521 and 78528 and find the biggest common factor number .

Step-1: Prime Factorization of 78521

Prime factors of 78521 are 233, 337. Prime factorization of 78521 in exponential form is:

78521 = 233¹ × 337¹

Step-2: Prime Factorization of 78528

Prime factors of 78528 are 2, 3, 409. Prime factorization of 78528 in exponential form is:

78528 = 2⁶ × 3¹ × 409¹

Step-3: Factors of 78521

List of positive integer factors of 78521 that divides 78521 without a remainder.

1, 233, 337

Step-4: Factors of 78528

List of positive integer factors of 78528 that divides 78521 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 409, 818, 1227, 1636, 2454, 3272, 4908, 6544, 9816, 13088, 19632, 26176, 39264

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78521 and 78528. The biggest common factor number is the GCF number.
So the greatest common factor 78521 and 78528 is 1.

Also check out the Least Common Multiple of 78521 and 78528