What is the Greatest Common Factor of 9503 and 9509?

Greatest common factor (GCF) of 9503 and 9509 is 1.

GCF(9503,9509) = 1

We will now calculate the prime factors of 9503 and 9509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9503 and 9509.

How to find the GCF of 9503 and 9509?

We will first find the prime factorization of 9503 and 9509. After we will calculate the factors of 9503 and 9509 and find the biggest common factor number .

Step-1: Prime Factorization of 9503

Prime factors of 9503 are 13, 17, 43. Prime factorization of 9503 in exponential form is:

9503 = 13¹ × 17¹ × 43¹

Step-2: Prime Factorization of 9509

Prime factors of 9509 are 37, 257. Prime factorization of 9509 in exponential form is:

9509 = 37¹ × 257¹

Step-3: Factors of 9503

List of positive integer factors of 9503 that divides 9503 without a remainder.

1, 13, 17, 43, 221, 559, 731

Step-4: Factors of 9509

List of positive integer factors of 9509 that divides 9503 without a remainder.

1, 37, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9503 and 9509. The biggest common factor number is the GCF number.
So the greatest common factor 9503 and 9509 is 1.

Also check out the Least Common Multiple of 9503 and 9509