What is the Greatest Common Factor of 42485 and 42503?

Greatest common factor (GCF) of 42485 and 42503 is 1.

GCF(42485,42503) = 1

We will now calculate the prime factors of 42485 and 42503, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42485 and 42503.

How to find the GCF of 42485 and 42503?

We will first find the prime factorization of 42485 and 42503. After we will calculate the factors of 42485 and 42503 and find the biggest common factor number .

Step-1: Prime Factorization of 42485

Prime factors of 42485 are 5, 29, 293. Prime factorization of 42485 in exponential form is:

42485 = 5¹ × 29¹ × 293¹

Step-2: Prime Factorization of 42503

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

42503 = 19¹ × 2237¹

Step-3: Factors of 42485

List of positive integer factors of 42485 that divides 42485 without a remainder.

1, 5, 29, 145, 293, 1465, 8497

Step-4: Factors of 42503

List of positive integer factors of 42503 that divides 42485 without a remainder.

1, 19, 2237

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42485 and 42503. The biggest common factor number is the GCF number.
So the greatest common factor 42485 and 42503 is 1.

Also check out the Least Common Multiple of 42485 and 42503