What is the Greatest Common Factor of 42503 and 42523?

Greatest common factor (GCF) of 42503 and 42523 is 1.

GCF(42503,42523) = 1

We will now calculate the prime factors of 42503 and 42523, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42503 and 42523.

How to find the GCF of 42503 and 42523?

We will first find the prime factorization of 42503 and 42523. After we will calculate the factors of 42503 and 42523 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 42523

Prime factors of 42523 are 13, 3271. Prime factorization of 42523 in exponential form is:

42523 = 13¹ × 3271¹

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 42523

List of positive integer factors of 42523 that divides 42503 without a remainder.

1, 13, 3271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42503 and 42523. The biggest common factor number is the GCF number.
So the greatest common factor 42503 and 42523 is 1.

Also check out the Least Common Multiple of 42503 and 42523