What is the Greatest Common Factor of 78509 and 78523?

Greatest common factor (GCF) of 78509 and 78523 is 1.

GCF(78509,78523) = 1

We will now calculate the prime factors of 78509 and 78523, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78509 and 78523.

How to find the GCF of 78509 and 78523?

We will first find the prime factorization of 78509 and 78523. After we will calculate the factors of 78509 and 78523 and find the biggest common factor number .

Step-1: Prime Factorization of 78509

Prime factors of 78509 are 78509. Prime factorization of 78509 in exponential form is:

78509 = 78509¹

Step-2: Prime Factorization of 78523

Prime factors of 78523 are 17, 31, 149. Prime factorization of 78523 in exponential form is:

78523 = 17¹ × 31¹ × 149¹

Step-3: Factors of 78509

List of positive integer factors of 78509 that divides 78509 without a remainder.

Step-4: Factors of 78523

List of positive integer factors of 78523 that divides 78509 without a remainder.

1, 17, 31, 149, 527, 2533, 4619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78509 and 78523. The biggest common factor number is the GCF number.
So the greatest common factor 78509 and 78523 is 1.

Also check out the Least Common Multiple of 78509 and 78523