What is the Greatest Common Factor of 77503 and 77509?

Greatest common factor (GCF) of 77503 and 77509 is 1.

GCF(77503,77509) = 1

We will now calculate the prime factors of 77503 and 77509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77503 and 77509.

How to find the GCF of 77503 and 77509?

We will first find the prime factorization of 77503 and 77509. After we will calculate the factors of 77503 and 77509 and find the biggest common factor number .

Step-1: Prime Factorization of 77503

Prime factors of 77503 are 17, 47, 97. Prime factorization of 77503 in exponential form is:

77503 = 17¹ × 47¹ × 97¹

Step-2: Prime Factorization of 77509

Prime factors of 77509 are 77509. Prime factorization of 77509 in exponential form is:

77509 = 77509¹

Step-3: Factors of 77503

List of positive integer factors of 77503 that divides 77503 without a remainder.

1, 17, 47, 97, 799, 1649, 4559

Step-4: Factors of 77509

List of positive integer factors of 77509 that divides 77503 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77503 and 77509. The biggest common factor number is the GCF number.
So the greatest common factor 77503 and 77509 is 1.

Also check out the Least Common Multiple of 77503 and 77509