What is the Greatest Common Factor of 42503 and 42513?

Greatest common factor (GCF) of 42503 and 42513 is 1.

GCF(42503,42513) = 1

We will now calculate the prime factors of 42503 and 42513, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42503 and 42513.

How to find the GCF of 42503 and 42513?

We will first find the prime factorization of 42503 and 42513. After we will calculate the factors of 42503 and 42513 and find the biggest common factor number .

Step-1: Prime Factorization of 42503

Prime factors of 42503 are 19, 2237. Prime factorization of 42503 in exponential form is:

42503 = 19¹ × 2237¹

Step-2: Prime Factorization of 42513

Prime factors of 42513 are 3, 37, 383. Prime factorization of 42513 in exponential form is:

42513 = 3¹ × 37¹ × 383¹

Step-3: Factors of 42503

List of positive integer factors of 42503 that divides 42503 without a remainder.

1, 19, 2237

Step-4: Factors of 42513

List of positive integer factors of 42513 that divides 42503 without a remainder.

1, 3, 37, 111, 383, 1149, 14171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42503 and 42513. The biggest common factor number is the GCF number.
So the greatest common factor 42503 and 42513 is 1.

Also check out the Least Common Multiple of 42503 and 42513