What is the Greatest Common Factor of 77503 and 77517?

Greatest common factor (GCF) of 77503 and 77517 is 1.

GCF(77503,77517) = 1

We will now calculate the prime factors of 77503 and 77517, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77503 and 77517.

How to find the GCF of 77503 and 77517?

We will first find the prime factorization of 77503 and 77517. After we will calculate the factors of 77503 and 77517 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 77517

Prime factors of 77517 are 3, 11, 29. Prime factorization of 77517 in exponential form is:

77517 = 3⁵ × 11¹ × 29¹

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 77517

List of positive integer factors of 77517 that divides 77503 without a remainder.

1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 243, 261, 297, 319, 783, 891, 957, 2349, 2673, 2871, 7047, 8613, 25839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77503 and 77517. The biggest common factor number is the GCF number.
So the greatest common factor 77503 and 77517 is 1.

Also check out the Least Common Multiple of 77503 and 77517