What is the Greatest Common Factor of 78485 and 78503?

Greatest common factor (GCF) of 78485 and 78503 is 1.

GCF(78485,78503) = 1

We will now calculate the prime factors of 78485 and 78503, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78485 and 78503.

How to find the GCF of 78485 and 78503?

We will first find the prime factorization of 78485 and 78503. After we will calculate the factors of 78485 and 78503 and find the biggest common factor number .

Step-1: Prime Factorization of 78485

Prime factors of 78485 are 5, 11, 1427. Prime factorization of 78485 in exponential form is:

78485 = 5¹ × 11¹ × 1427¹

Step-2: Prime Factorization of 78503

Prime factors of 78503 are 29, 2707. Prime factorization of 78503 in exponential form is:

78503 = 29¹ × 2707¹

Step-3: Factors of 78485

List of positive integer factors of 78485 that divides 78485 without a remainder.

1, 5, 11, 55, 1427, 7135, 15697

Step-4: Factors of 78503

List of positive integer factors of 78503 that divides 78485 without a remainder.

1, 29, 2707

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78485 and 78503. The biggest common factor number is the GCF number.
So the greatest common factor 78485 and 78503 is 1.

Also check out the Least Common Multiple of 78485 and 78503